Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703167 | Modifier for resin and rubber | Tadayuki Ohmae, Haruhiko Hisada, Kenichi Hosoda, Masahide Yoshiya, Yoshiyuki Komori +2 more | 1997-12-30 |
| 5344881 | Rubber compositions and vulcanized rubber compositions | Keisaku Yamamoto, Yoshio Tanimoto, Masahiro Fukuyama | 1994-09-06 |
| 5250627 | Rubber composition | Keisaku Yamamoto, Hideaki Yamada, Mashiro Fukuyama | 1993-10-05 |