Directors (And Other Officers)
| Concept | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | As at 2025-03-26 | 
|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | |||||||||
| Information about directors (and corporate auditors) | |||||||||
| Official title or position | 
                                                取締役(注)2
                                                
                                             | 
                                                取締役経営管理本部長兼経理部長兼人事総務部長 兼 CarnaBio USA, Inc. President
                                                
                                             | 
                                                取締役(監査等委員)(注)2
                                                
                                             | 
                                                取締役(監査等委員)(注)2
                                                
                                             | 
                                                取締役 チーフデベロップメントオフィサー 兼 CarnaBio USA, Inc.  Chief Development Officer
                                                
                                             | 
                                                取締役(監査等委員)(注)2
                                                
                                             | 
                                                代表取締役社長
                                                
                                             | — | 
                                                取締役チーフサイエンティフィックオフィサー
                                                
                                             | 
| Name | 
                                                鈴木 香
                                                
                                             | 
                                                山本 詠美
                                                
                                             | 
                                                小笠原 嗣朗
                                                
                                             | 
                                                松井 隆雄
                                                
                                             | 
                                                有村 昭典
                                                
                                             | 
                                                有田 篤雄
                                                
                                             | 
                                                吉野 公一郎
                                                
                                             | — | 
                                                澤 匡明
                                                
                                             | 
| Date of birth | 
                                                1958-02-22
                                                
                                             | 
                                                1970-06-11
                                                
                                             | 
                                                1939-07-23
                                                
                                             | 
                                                1956-04-08
                                                
                                             | 
                                                1963-01-26
                                                
                                             | 
                                                1943-07-15
                                                
                                             | 
                                                1949-03-25
                                                
                                             | — | 
                                                1970-12-07
                                                
                                             | 
| Career summary | — | ||||||||
| Term of office | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)4
                                                
                                             | 
                                                (注)4
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)4
                                                
                                             | 
                                                (注)3
                                                
                                             | — | 
                                                (注)3
                                                
                                             | 
| Number of shares held (Ordinary shares) | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                54,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                7,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                16,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                333,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                526,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                106,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             |