Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927290 | Production of mixed acid anhydride and amide compound | Takashi Miki, Isao Kurimoto | 2005-08-09 |
| 6894190 | Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof | Miyuki Oikawa, Isao Kurimoto, Takayuki Higashii | 2005-05-17 |
| 6753431 | Production of mixed acid anhydride and amide compound | Takashi Miki, Isao Kurimoto | 2004-06-22 |
| 6653507 | Process for producing optically active 3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid, and salt thereof | Miyuki Oikawa, Isao Kurimoto, Takayuki Higashii | 2003-11-25 |
| 6403832 | Process for producing optically active 3,3,3-Trifluoro-2-Hydroxy-2-Methylpropionic acid, and salt thereof | Miyuki Oikawa, Isao Kurimoto, Takayuki Higashii | 2002-06-11 |
| 6348617 | Method for purifying pyruvic acid compounds | Motoo Hazama, Toshikazu Yagi, Akihiko Nakamura, Masahiko Mizuno | 2002-02-19 |
| 6313315 | Methods for producing N-protected-azetidine-2-carboxylic acids | Kazuhiro Yamauchi, Isao Kurimoto | 2001-11-06 |
| 6277998 | Production process and intermediate of tetrazole compound | Takayuki Higashii, Masayoshi Minai, Akihiko Nakamura | 2001-08-21 |
| 6191289 | Production process and intermediate of tetrazole compound | Takayuki Higashii, Masayoshi Minai, Akihiko Nakamura | 2001-02-20 |
| 6114543 | Process for producing optically active azetidine-2-carboxylic acid | Naoyuki Takano, Yukihiro Honda, Shinzo Seko, Motoo Hazama | 2000-09-05 |
| 6063940 | Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof | Hiroaki Fujishima, Yasunobu Miyamoto, Masayoshi Minai, Tsutomu Matsumoto, Takayuk Higashii | 2000-05-16 |
| 5880291 | Process for producing optically active azetidine-2-carboxylic acid | Naoyuki Takano, Yukihiro Honda, Shinzo Seko, Motoo Hazama | 1999-03-09 |
| 5874593 | Production process and intermediate of tetrazole compound | Takayuki Higashii, Masayoshi Minai, Akihiko Nakamura | 1999-02-23 |
| 5679859 | Process for producing improved crystals of 3-amino-2-hydroxyacetophenone salt | Hirokazu Murata, Atsushi Furutani, Hiroaki Hibino, Etsuko Fukuda | 1997-10-21 |
| 5675036 | Process for preparing aromatic amide compound | Etsuko Fukuda, Atsushi Furutani, Hirokazu Murata | 1997-10-07 |
| 5659051 | Process of producing 2-cyano-4-oxo-4H-benzopyran compounds | Takayuki Higashii, Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai, Katsuichi Yasunaga +2 more | 1997-08-19 |
| 5637736 | Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof | Hiroaki Fujishima, Yasunobu Miyamoto, Masayoshi Minai, Tsutomu Matsumoto, Takayuki Higashii | 1997-06-10 |
| 5597929 | Production process of 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran | Takayuki Higashii | 1997-01-28 |
| 4472736 | Lithographic reproduction original classification and color separation tone curve adjustment | Hisao Akiguchi, Shigeru Kassu, Renji Otake | 1984-09-18 |