Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490415 | Method of coating a pencil | Koichi Yasui, Akeomi Saito | 1984-12-25 |
| 4477636 | Hot-melt adhesive and method | Soichi Muroi, Shigetoshi Seta, Yoshio Matsumoto, Koichi Yasui | 1984-10-16 |
| 4363853 | Hot-melt polyester | Norio Akimoto, Shozo Awaya | 1982-12-14 |