Directors (And Other Officers)
| Concept | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | As at 2025-03-28 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||||||
| Information about directors (and corporate auditors) | |||||||||||||
| Official title or position | 
                                                監査役
                                                
                                             | 
                                                常勤監査役
                                                
                                             | 
                                                監査役
                                                
                                             | 
                                                代表取締役社長
                                                
                                             | 
                                                取締役デンタル事業部長
                                                
                                             | — | 
                                                取締役 鋼製品事業部長
                                                
                                             | 
                                                取締役
                                                
                                             | 
                                                代表取締役会長
                                                
                                             | 
                                                取締役 デンタル副事業部長兼営業部長
                                                
                                             | 
                                                取締役中之条工場長
                                                
                                             | 
                                                取締役
                                                
                                             | 
                                                監査役
                                                
                                             | 
| Name | 
                                                柴田 清之
                                                
                                             | 
                                                岩渕 孝一
                                                
                                             | 
                                                栁田 伸一
                                                
                                             | 
                                                曽根 栄二
                                                
                                             | 
                                                大貫 実
                                                
                                             | — | 
                                                土井 洋
                                                
                                             | 
                                                宮城 則之
                                                
                                             | 
                                                廣澤 清
                                                
                                             | 
                                                大久保 高広
                                                
                                             | 
                                                中沢 浩
                                                
                                             | 
                                                大場 明男
                                                
                                             | 
                                                三枝 大介
                                                
                                             | 
| Date of birth | 
                                                1963-03-08
                                                
                                             | 
                                                1960-12-23
                                                
                                             | 
                                                1959-10-19
                                                
                                             | 
                                                1947-09-09
                                                
                                             | 
                                                1955-12-31
                                                
                                             | — | 
                                                1972-07-29
                                                
                                             | 
                                                1965-10-02
                                                
                                             | 
                                                1938-07-19
                                                
                                             | 
                                                1969-12-23
                                                
                                             | 
                                                1961-02-17
                                                
                                             | 
                                                1959-11-24
                                                
                                             | 
                                                1969-03-20
                                                
                                             | 
| Career summary | — | ||||||||||||
| Term of office | 
                                                (注)2,5
                                                
                                             | 
                                                (注)2,4
                                                
                                             | 
                                                (注)2,4
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | — | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)1.3
                                                
                                             | 
                                                (注)2,4
                                                
                                             | 
| Number of shares held (Ordinary shares) | 
                                                5,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                231,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                217,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             |