Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291538 | Process for preparing polyurethane foam | Makoto Okubo, Takayuki Nomura | 2001-09-18 |
| 4985558 | 1,4-dihydropyridine derivative | Haruaki Inada, Akira Kiue, Tetsuro Sano | 1991-01-15 |
| 4495356 | 1,4-Dihydropyridine compound | Yoichi Inoue, Toshio Matsumoto, Hirosuke Niwa, Yasuo Hoshide | 1985-01-22 |
| 4364844 | Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid | Sumio Umemura, Kyoji Ohdan, Fumihiko Sakai, Yasuo Bando, Toshihiko Hogami +1 more | 1982-12-21 |
| 4256914 | Catalytic oxidation of methacrolein | Sumio Umemura, Kyoji Ohdan, Fumihiko Sakai, Toshihiko Hogami, Masataka Fuginaga | 1981-03-17 |
| 4217309 | Process for producing methacrolein | Sumio Umemura, Kyoji Ohdan, Yasuo Bando, Terumi Hisayuki | 1980-08-12 |