Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106913 | Rubber composition | Tetsuo Yamaguchi, Shin-ichi Yachigo, Tamaki Ishii, Chinehito Ebina, Eizo Okino | 1992-04-21 |
| 4812494 | Stabilized styrene polymer | Hideo Nagasaki, Shinichi Yachigo, Tamaki Ishii, Yukoh Takahashi, Hiroki Yamamoto | 1989-03-14 |
| 4746743 | Process for producing 2,2,4-trimethyl-1,2-dihydroquinoline | Takeo Fujii, Kikumitsu Inoue, Masahito Umehara, Hideo Nagasaki | 1988-05-24 |
| 4695407 | Method for purifying 1-aminoanthraquinone | Norio Kotera, Masatoshi Uegaki, Shinzaburo Masaki, Tatsuo Kaneoya, Takashi Miyaoka +2 more | 1987-09-22 |
| 4578472 | 2,2,6,6-Tetramethylpiperidine and its production | Takeo Fujii, Shinichi Yachigo, Tamaki Ishii | 1986-03-25 |
| 4407756 | Process for producing aminoanthraquinone | Akira Fukasawa, Tatsuo Kaneoya, Kenji Takahashi | 1983-10-04 |