Treasury Shares, Etc.
| Concept | As at 2024-09-30 | As at 2024-09-30 | 
|---|---|---|
| Treasury shares, etc. | ||
| Treasury shares, etc. | ||
| Name of shareholder | — | 
                                                日精樹脂工業株式会社
                                                
                                             | 
| Address of shareholder | — | 
                                                長野県埴科郡坂城町
大字南条2110番地
                                                
                                             | 
| Number of shares held in own name | 
                                                3,035,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,035,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of shares held in others' names | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Total number of shares held | 
                                                3,035,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,035,600
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio | 
                                                0.1363
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.1363
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |