Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792883 | Preparation of diaryl carbonate | Ryoji Sugise, Koichi Kashiwagi, Takashi Doi, Sadao Niida, Toshio Kurafuji | 1998-08-11 |
| 5744604 | Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives | Akio Matsushita, Yasuhiro Kawachi, Hiroshi Sasaki | 1998-04-28 |
| 5731453 | Process for producing a diaryl carbonate | Keigo Nishihira, Shuji Tanaka, Yuki Nishida, Hirofumi Ii, Satoru Fujitsu +3 more | 1998-03-24 |
| 5717124 | Process for preparation of oxyglutaric acid ester derivatives | Akio Matsushita, Hiroshi Sasaki, Yasuhiro Kawachi | 1998-02-10 |
| 5696301 | Process for preparing protocatechualdehyde | Masashi Shirai, Toshio Furuya, Nobuyuki Kuroda | 1997-12-09 |
| 5677455 | Preparation of 3-oxy-5-oxo-6-heptenoic acid derivatives | Akio Matsushita, Yasuhiro Kawachi, Hiroshi Sasaki | 1997-10-14 |
| 5648510 | Process for preparation of diaryl carbonate | Yoichi Imbe, Keigo Nishihira, Shuji Tanaka, Satoru Fujitsu, Ryoji Sugise +2 more | 1997-07-15 |
| 5529977 | Triazine derivative, process for preparing the same and herbicide using the same | Takaaki Abe, Yuji Akiyoshi, Akio Matsushita, Mikio Kojima, Ikuo Shiraishi +2 more | 1996-06-25 |
| 5457225 | Process for preparation of 5-hydroxy-3-ketoester derivative and optically active substance thereof | Nobuki Oguni, Masahiko Hayashi, Akio Matsushita | 1995-10-10 |
| 5387575 | Pyrimidine derivatives, process for preparing the same and herbicide using the same | Takaaki Abe, Yuji Akiyoshi, Akio Matsushita, Mikio Kojima, Ikuo Shiraishi +3 more | 1995-02-07 |
| 5178663 | 3-alkoxyalkanoic acid derivative, process for preparing the same and herbicide using the same | Takaaki Abe, Yuji Akiyoshi, Hiroshi Shiraishi, Kaoru Yamamoto | 1993-01-12 |
| 4665172 | Process for producing heterocyclic compound having nitromethylene group as the side chain group | Fumio Iwata, Ryoji Sugise | 1987-05-12 |
| 4625025 | Process for producing a 2H-1,3-thiazolidine, 2H-tetrahydro-1,3-thiazine, or 2H-hexahydro-1,3-thiazepine derivative substituted at the 2 position by a nitromethylene group derivative | Fumio Iwata, Ryoji Sugise | 1986-11-25 |
| 4376080 | Process for preparing malononitrile | Toshikazu Hamamoto | 1983-03-08 |
| 4269982 | Process for preparing 5-amino-1,2,3-thiadiazoles | Mamoru Nakai, Yoshikatsu Mori | 1981-05-26 |