Directors (And Other Officers)
| Concept | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | As at 2024-07-04 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Directors (and other officers) | ||||||||||
| Information about directors (and corporate auditors) | ||||||||||
| Official title or position | 
                                                取締役執行役員 技術本部長
                                                
                                             | 
                                                取締役事業本部長兼塗料事業部長
                                                
                                             | 
                                                取締役
                                                
                                             | 
                                                取締役執行役員管理統括部長
                                                
                                             | 
                                                代表取締役社長
                                                
                                             | 
                                                監査役
                                                
                                             | 
                                                取締役執行役員道路事業部長  兼久喜工場長  兼岡山工場長 兼大阪支店長
                                                
                                             | 
                                                監査役
                                                
                                             | — | 
                                                常勤監査役
                                                
                                             | 
| Name | 
                                                鈴 木 太 亮
                                                
                                             | 
                                                花 形 裕 透
                                                
                                             | 
                                                田 中 滋 子
                                                
                                             | 
                                                冨士田  学
                                                
                                             | 
                                                神 保 敏 和
                                                
                                             | 
                                                上 原 左多男
                                                
                                             | 
                                                宮 里 勝 之
                                                
                                             | 
                                                石 川 伸 吾
                                                
                                             | — | 
                                                小 川 博 巳
                                                
                                             | 
| Date of birth | 
                                                1971-11-14
                                                
                                             | 
                                                1963-02-03
                                                
                                             | 
                                                1969-11-19
                                                
                                             | 
                                                1967-04-15
                                                
                                             | 
                                                1957-06-04
                                                
                                             | 
                                                1952-02-02
                                                
                                             | 
                                                1962-11-26
                                                
                                             | 
                                                1958-11-11
                                                
                                             | — | 
                                                1960-09-02
                                                
                                             | 
| Career summary | — | |||||||||
| Term of office | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)4
                                                
                                             | 
                                                (注)3
                                                
                                             | 
                                                (注)4
                                                
                                             | — | 
                                                (注)5
                                                
                                             | 
| Number of shares held (Ordinary shares) | 
                                                2,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                45,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                71,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                6,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             |