Directors (And Other Officers)
| Concept | 
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                                
                                    
                                        As at 2025-06-20  | 
                            
                        
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | ||||||||||||||
| Information about directors (and corporate auditors) (Proposal) | ||||||||||||||
| Official title or position | 
                                        
                                             
                                                監査役(常勤)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(非常勤)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役常務執行役員 製造本部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役専務執行役員管理本部長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                代表取締役専務執行役員
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(非常勤)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(非常勤)
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                代表取締役社長執行役員
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                監査役(常勤)
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                監査役
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役常務執行役員 東京工場長
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                取締役(非常勤)
                                                
                                             
                                        
                                     | 
                                
                            
| Name | 
                                        
                                             
                                                浜 田 博 介
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                加 地  則 子
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                冨 田 和 之
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                髙 畠 剛
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                後 藤 浩 志
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                吉 積 隆 幸
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                瀧 原 圭 子
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                佐 藤 陽 子
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                小 林  和 也
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                進   英 俊
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                吉 田  敏 彦
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                水 津 竜 夫
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                鎌 倉 利 光
                                                
                                             
                                        
                                     | 
                                
                            
| Date of birth | 
                                        
                                             
                                                1960-08-09
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-07-06
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1958-04-23
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1969-05-24
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1962-01-31
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1961-03-25
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1956-03-13
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1960-07-23
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                1964-12-24
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1959-03-05
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1955-08-06
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1964-03-13
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1959-09-23
                                                
                                             
                                        
                                     | 
                                
                            
| Career summary | — | |||||||||||||
| Term of office | 
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)4
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                (注)3
                                                
                                             
                                        
                                     | 
                                
                            
| Number of shares held (Ordinary shares) | 
                                        
                                             
                                                35,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                27,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                94,985
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                124,026
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                2,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                1,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                471,952
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                53,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                76,041
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                5,700
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                50,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             
                                        
                                     |