Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6242533 | Novolak type phenol resin | Katsuhiro Maruyama, Akira Yoshitomo, Satoru Yoshida, Satoru Kitano | 2001-06-05 |
| 6211328 | Phenol resin | Katsuhiro Maruyama, Akira Yoshitomo, Satoru Yoshida, Satoru Kitano | 2001-04-03 |
| 6124420 | Epoxy resin, epoxy resin composition and hardened product thereof | Kenichi Kuboki, Yoshio Shimamura, Ryoichi Hasegawa, Akiyuki Kojima, Yukio Abe | 2000-09-26 |
| 6001949 | Novolak type phenolic resins and methods of manufacturing thereof | Akiyuki Kojima, Yukio Abe, Tsuyoshi Fukuda, Kaori Hasegawa | 1999-12-14 |
| 5929191 | Novolak type phenolic resins and methods of manufacturing thereof | Akiyuki Kojima, Yukio Abe, Tsuyoshi Fukuda, Kaori Hasegawa | 1999-07-27 |
| 5859168 | Novolak type phenolic resins and methods of manufacturing thereof | Akiyuki Kojima, Yukio Abe, Tsuyoshi Fukuda, Kaori Hasegawa | 1999-01-12 |
| 5248451 | Electrically conductive copper composition | Masayuki Tsunaga, Takao Suzuki, Kazuaki Yuba, Kyoichi Gokan, Masaki Hirosawa | 1993-09-28 |
| 5045236 | Copper conductive composition | Masayuki Tsunaga, Kazuaki Yuba, Maraki Hirosawa | 1991-09-03 |