Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138103 | Process for producing tetrabromobisphenol A | Hisao Eguchi, Noritaka Nagasaki, Koji Kunimoto | 1992-08-11 |
| 5059726 | Process for producing tetrabromobisphenol A | Hisao Eguchi, Koji Kunimoto, Sadami Shimizu, Masakatsu Sato, Hanzo Tamabayashi | 1991-10-22 |
| 5015526 | Radiation-resistant high molecular composition | Yukihiro Tsutsumi, Fumio Okisaki, Shunichi Fujimura, Teruo Fukuda | 1991-05-14 |
| 5008469 | Process for producing tetrabromobisphenol A | Hisao Eguchi, Koji Kunimoto, Sadami Shimizu, Masakatsu Sato, Hanzo Tamabayashi | 1991-04-16 |
| 4940802 | 4,4'-bis(phthalimido)diphenyl sulfone compounds, processes for their production and flame retardant polymer compositions containing them | Takao Matsuba, Takumi Kagawa, Kiyotaka Oyama, Koji Kawabata | 1990-07-10 |
| 4935562 | Method for producing 4,4'-dibromobiphenyl | Fumio Okisaki, Satoshi Fujii, Kiyotaka Oyama | 1990-06-19 |
| 4900766 | Radiation-resistant high molecular composition | Yukihiro Tsutsumi, Fumio Okisaki, Shunichi Fujimura, Teruo Fukuka | 1990-02-13 |
| 4898998 | Process for producing brominated acenaphthylene condensates | Hideo Sakka, Yukihiro Tsutsumi | 1990-02-06 |
| 4822931 | Method for preparation of polybromoacenaphthene and/or its condensate | Fumio Okisaki, Hideo Sakka | 1989-04-18 |
| 4731493 | Process for producing condensed bromoacenaphthylene | Mitsuaki Yoshimitsu, Yukihiro Tsutsumi | 1988-03-15 |
| 4564471 | Method for reductive elimination of protecting groups | Katsumi Sugiyama, Hideo Takeda, Hiroko Sato, Yuji Nonaka, Kiyotaka Oyama | 1986-01-14 |
| 4393246 | Process for brominating side chain of m-phenoxytoluene | Mitsuaki Yoshimitsu, Kanzi Katsuragawa | 1983-07-12 |
| 4309341 | Method for purifying .alpha.- L-aspartyl-L-phenylalanine lower alkyl ester | Yuji Nonaka, Keiichi Kihara | 1982-01-05 |