Directors (And Other Officers)
| Concept | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | As at 2025-06-25 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | ||||||||||||
| Information about directors (and corporate auditors) | ||||||||||||
| Official title or position | 
                                                取締役
                                                
                                             | 
                                                取締役
常務執行役員、生産本部長、生産技術部長
                                                
                                             | 
                                                取締役
上席執行役員、テストソリューション事業部長、技術管理部担当
                                                
                                             | 
                                                取締役
                                                
                                             | 
                                                取締役
(常勤監査等委員)
                                                
                                             | 
                                                代表取締役社長
                                                
                                             | — | 
                                                取締役
(監査等委員)
                                                
                                             | 
                                                取締役会長
光関連事業担当
                                                
                                             | 
                                                取締役
                                                
                                             | 
                                                取締役
(監査等委員)
                                                
                                             | 
                                                取締役
常務執行役員、管理本部長、経営管理部長
                                                
                                             | 
| Name | 
                                                村田 朋博
                                                
                                             | 
                                                土屋 武
                                                
                                             | 
                                                岸村 伸洋
                                                
                                             | 
                                                依田 稔久
                                                
                                             | 
                                                栁澤 光一郎
                                                
                                             | 
                                                亀谷 淳一
                                                
                                             | — | 
                                                岡本 忍
                                                
                                             | 
                                                太田 佳孝
                                                
                                             | 
                                                佐久間 陽一郎
                                                
                                             | 
                                                村瀨 孝子
                                                
                                             | 
                                                松田 一弘
                                                
                                             | 
| Date of birth | 
                                                1968-06-17
                                                
                                             | 
                                                1961-06-01
                                                
                                             | 
                                                1964-09-24
                                                
                                             | 
                                                1958-01-03
                                                
                                             | 
                                                1959-01-18
                                                
                                             | 
                                                1964-06-29
                                                
                                             | — | 
                                                1954-06-18
                                                
                                             | 
                                                1948-10-10
                                                
                                             | 
                                                1955-09-04
                                                
                                             | 
                                                1955-01-04
                                                
                                             | 
                                                1964-04-11
                                                
                                             | 
| Career summary | — | |||||||||||
| Term of office | 
                                                (注)2
                                                
                                             | 
                                                (注)2
                                                
                                             | 
                                                (注)2
                                                
                                             | 
                                                (注)2
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)2
                                                
                                             | — | 
                                                (注)3
                                                
                                             | 
                                                (注)2
                                                
                                             | 
                                                (注)2
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)2
                                                
                                             | 
| Number of shares held (Ordinary shares) | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                55,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                31,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                14,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                71,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                350,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                141,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                33,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             |