Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665295 | Process for the production of composite molded article | Hidetoshi Okamura, Yuzo Aito | 1997-09-09 |
| 4324706 | Friction material | Yutaka Tabe, Keizo Shimada, Yasusaburo Sugita | 1982-04-13 |