Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143369 | Process of impregnating substrate and impregnated substrate | Yasuo Tohrin, Yoshinobu Marumoto, Joji Sakakibara, Ken-ichi Shinotani, Kohei Kotera +3 more | 2000-11-07 |
| 5136015 | Addition type imide resin prepolymer, manufacturing method thereof, prepreg and laminate thereof | Tatsuo Yonemoto, Masahiro Matsumura, Eiichiro Saito, Hiroshi Yamamoto, Keiko Kashihara | 1992-08-04 |
| 4680377 | Polyimide prepolymer composition from unsaturated bisimide and diamine containing unreacted reactants | Masahiro Matsumura, Kenzi Ogasawara, Atsuhiro Nakamoto | 1987-07-14 |