Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657041 | Production process of polysuccinimide | Katsuhiko Machida, Susumu Fukawa, Shinji Ogawa, Toshio Katoh, Makoto Sukegawa | 2003-12-02 |
| 6346569 | Production process of cross-linked polysuccinimide resin | Makoto Sukegawa, Toshio Katoh, Hiroaki Tamatani, Akinori Nagatomo, Masaru Wada | 2002-02-12 |
| 6072024 | Production process of cross-linked polyaspartic acid resin | Makoto Sukegawa, Toshio Katoh, Hiroaki Tamatani, Akinori Nagatomo, Masaru Wada | 2000-06-06 |
| 5986042 | Cross-linked polymer | Makoto Sukegawa, Toshio Katoh, Hiroaki Tamatani | 1999-11-16 |
| 5955206 | Polysulfide-based resin composition, polysulfide-based resin, and optical material comprising the resin | Koju Okazaki, Chitoshi Shimakawa, Mamoru Tanaka, Yoshinobu Kanemura, Teruyuki Nagata +1 more | 1999-09-21 |
| 5736609 | Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comprising resin | Shinichi Umeda, Yoshinobu Kanemura, Teruyuki Nagata | 1998-04-07 |
| 5545751 | Process for the preparation of 4-methoxy-2,2',6'-Trimethyldiphenylamine | Chiyuki Kusuda, Masayuki Furuya, Masaru Wada, Hiroshi Naruse, Teruyuki Nagata | 1996-08-13 |
| 5182409 | Preparation process of bis(1,2-diaryl-1,2-ethyolenedithiolato)nickel-based complex | Keisuke Takuma, Kimitoshi Katho | 1993-01-26 |