Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878824 | Process for preparing N-methylated melamines | Takayuki Tamura, Hiroyuki Kousaka | 2005-04-12 |
| 6855845 | Process for the preparing bromoisophithalic acid compound | Masaki Nagai, Hideo Suzuki | 2005-02-15 |
| 6340762 | Method for optical resolution of piperidine carboxylic acid derivative | Masami Kozawa, Kiyotomo Seto | 2002-01-22 |
| 6222074 | Process for preparation of 4,6-diaminoresorcinol or salts thereof | Kenichi Tokunaga, Motohito Shiratori, Kazuhiko Akimoto, Hideo Suzuki | 2001-04-24 |
| 6130332 | Method of alkylating triazine derivatives | Norio Tanaka, Kenichi Mizusawa, Makoto Ishikawa, Yasuo Fukue, Yoshihisa Watanabe | 2000-10-10 |
| 5962740 | Processes for producing 4,6-bis (substituted)phenylazoresorcinols | Kazuhiko Akimoto, Kenichi Tokunaga, Hideo Suzuki, Yasuo Katsumura, Kazuo Osaki +2 more | 1999-10-05 |
| 5880309 | Phenylphosphonic acid derivative and production process therefor | Hideo Suzuki, Masafumi Nomura, Kenichi Tokunaga | 1999-03-09 |
| 5847199 | Derivative of phosphonic acid and process for the preparation thereof | Kenichi Tokunaga | 1998-12-08 |
| 5792867 | Method of alkylating of triazine derivatives | Norio Tanaka, Masataka Hatanaka, Makoto Ishikawa, Yasuo Fukue, Yoshihisa Watanabe | 1998-08-11 |
| 5786479 | Process for producing a 6-subsitituted 2(1H)-quinoxalinone | Masataka Hatanaka | 1998-07-28 |
| 5391760 | Process for producing n-alkylpyrazoles | Hiroshi Murakami, Susumu Yamamoto, Yoshihiro Iwasawa, Fumio Suzuki | 1995-02-21 |
| 5153329 | Process for producing N-alkylpyrazoles | Hiroshi Murakami, Susumu Yamamoto, Yoshihiro Iwasawa, Fumio Suzuki | 1992-10-06 |
| 4970336 | Method of purifying .alpha.-substituted acetic acids | Yoshikazu Yoshioka, Suketoshi Tsukamoto | 1990-11-13 |
| 4625053 | Process for preparing optically active 2-(4-hydroxy-phenoxy) propionic acid compounds | Shoji Fujinawa, Kenji Suzuki, Syuzi Tsuchiya, Yasuo Takakuwa | 1986-11-25 |
| 4537984 | Process for producing 2-(4-hydroxyphenoxy) propionate derivatives | Tadashi Nishikimi, Shuji Tsuchiya | 1985-08-27 |
| 4242522 | O-(N-Allyl-2,6-dichloroanilino)phenylacetic acid derivative and a process for preparing the same | Genichi Tsuchihashi, Katsuyuki Ogura, Ryozo Sakoda, Shuichi Fukushima | 1980-12-30 |
| 4188343 | Process for preparing anthranylaldehyde derivatives | Ryozo Sakoda, Kazuo Nagano | 1980-02-12 |