Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5216077 | Rubber-modified phenolic resin composition and method of manufacturing the same | Akira Yoshizumi, Shinetsu Fujieda, Ken Uchida, Naoko Kihara, Tsutomu Nagata +2 more | 1993-06-01 |
| 4916174 | Rubber-modified phenolic resin composition and method of manufacturing the same | Akira Yoshizumi, Shinetsu Fujieda, Ken Uchida, Naoko Kihara, Tsutomu Nagata +2 more | 1990-04-10 |