Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570025 | Sulfur compound and use thereof | Kenichi Fujii, Atsuo Otsuji, Masao Imai, Kenichi Sugimoto, Tadashi Okuma +1 more | 2003-05-27 |
| 6458908 | Sulfur-containing unsaturated carboxylate compound and its cured products | Masao Imai, Kenichi Sugimoto, Kenichi Fujii, Atsuo Otsuji, Tadashi Ohkuma +2 more | 2002-10-01 |
| 6320020 | Sulfur-containing (thio)ether (co)polymer and a use thereof | Keisuke Takuma, Kenichi Sugimoto, Atsuo Otsuji, Kenichi Fujii, Masao Imai | 2001-11-20 |
| 6080833 | Low-birefringent organic optical component and a spirobiindan polymer | Atsuo Otsuji, Keisuke Takuma, Tatsuhiro Urakami, Toshihiro Motoshima, Wataru Yamashita +8 more | 2000-06-27 |
| 6028161 | Polycarbonate copolymer and applications thereof | Atsuo Otsuji, Kenichi Sugimoto, Tatsuhiro Urakami, Keisuke Takuma | 2000-02-22 |