Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384409 | Process for producing 5-amino-3-methylpyrazole | Kenji Saito, Masahito Sekiguchi, Hiroshi Yoshihara, Kazuhiko Takahashi, Kazuya Minamisaka +1 more | 1995-01-24 |
| 5254700 | Process for production of N-substituted carbazoles | Masashi Kamitamari, Takashi Kamikawa, Osamu Maruyama, Junji Shiraiwa | 1993-10-19 |
| 5166451 | Treatment of hydroperoxide mixture | Akira Takeshita, Osamu Maruyama | 1992-11-24 |
| RE34076 | Method for producing hydroxy-containing alkylated aromatic compounds | Akira Takeshita, Takeo Fujii, Tooru Tokumaru, Akira Murakami | 1992-09-22 |
| 4912264 | Method for producing hydroxy-containing alkylated aromatic compounds | Akira Takeshita, Takeo Fujii, Tooru Tokumaru, Akira Murakami | 1990-03-27 |
| 4695407 | Method for purifying 1-aminoanthraquinone | Norio Kotera, Masatoshi Uegaki, Masakatsu Yoshimura, Tatsuo Kaneoya, Takashi Miyaoka +2 more | 1987-09-22 |
| 4612394 | Process for producing aminophenyl-.beta.-hydroxyethylsulfone | Norio Kotera, Kazuhiro Tada, Kunihisa Goto, Tatsuo Kaneoya | 1986-09-16 |
| 4289706 | Method for producing 1-nitroanthraquinone | Akira Fukasawa, Norio Serizawa | 1981-09-15 |