Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197996 | Process for preparing optically active carnitine ester | Takanao Taketomi, Toshiaki Sakaguchi | 2001-03-06 |
| 5859249 | 2-phenyl-2-(2'-piperidinylidene)acetate derivative, process for manufacturing the same, and process for manufacturing optically active 2-phenyl-2-(2'-piperidinyl)acetate derivative by asymmetrically hydrogenating the same | Nobuo Seido, Takenobu Nishikawa, Tsukasa Sotoguchi, Yoshifumi Yuasa, Takashi Miura | 1999-01-12 |
| 5847222 | Optically active diphosphine compound, method for making the compound, transition metal complex having the compound as ligand and method for making optically active substance by use of the complex | Tohru Yokozawa, Noboru Sayo, Kazuhiko Matsumura | 1998-12-08 |
| 5837877 | Process for preparing optically active 4-hydroxy-2-pyrrolidone | Shigeru Mitsuhashi | 1998-11-17 |
| 5824822 | Phospphine-phosinite compound and process for preparing 4-(R)-1'-formylethyl!-azetidin-2-one derivatives using the same | Takao Saito, Akifumi Yoshida, Kazuhiko Matsumura, Takashi Miura | 1998-10-20 |
| 5808162 | Chiral unsymmetric diphosphine compound and transition metal complex containing the same as ligand | Noboru Sayo, Xiaoyong Zhang, Tatsuya Omoto, Tohru Yokozawa, Tetsuro Yamasaki | 1998-09-15 |
| 5801271 | 7-(n-substituted amino)-2-phenylheptanoic acid derivative and process for manufacturing the same | Nobuo Seido, Takenobu Nishikawa, Tsukasa Sotoguchi, Yoshifumi Yuasa, Takashi Miura | 1998-09-01 |
| 5756760 | 1-substituted-2-diphenylphosphinonaphthalene and transition metal complex comprising the same as a ligand | Sotaro Miyano, Tetsutaro Hattori, Yasuko Komuro | 1998-05-26 |
| 5686616 | Process for preparing an optically active amine | Kazuhide Tani, Tsuneaki Yamagata, Yasutaka Kataoka | 1997-11-11 |
| 5631397 | Process for producing optically active diaminohexanone derivative | Tetsuro Yamasaki, Noboru Sayo, Toshiyuki Murayama, Noboru Sano, Takero Ishizaki | 1997-05-20 |
| 5629420 | Substituted acetoxyazetidinone derivatives and process for preparing 4-acyloxyazetidinone derivatives | Takao Saito, Shunichi Murahashi | 1997-05-13 |
| 5606052 | Substituted acetoxyazetidinone derivatives and process for preparing 4-acyloxyazetidinone derivatives | Takao Saito, Shunichi Murahashi | 1997-02-25 |
| 5599954 | N-substituted-7-amino-5-hydroxy-3-oxoheptanoic acid derivatives and method for producing the same | Sigeru Mitsuhashi, Tsukasa Sotoguchi, Yoshifumi Yuasa | 1997-02-04 |
| 5581007 | Process for preparing optically active allophenylnorstatin derivatives | Noboru Sayo, Tetsuro Yamasaki, Yoshifumi Yuasa, Tsukasa Sotoguchi | 1996-12-03 |
| 5563295 | Process for producing optically active carboxylic acid | Hidemasa Takaya, Xiaoyong Zhang, Kazuhiko Matsumura, Noboru Sayo | 1996-10-08 |
| 5530150 | Phosphine compound, complex containing the phosphine compound as ligand, process for producing optically active aldehyde using the phosphine compound or the complex, and 4-[(R)-1'-formylethyl]azetidin-2-one derivatives | Hidemasa Takaya, Nozomu Sakai, Kyoko Tamao, Satoshi Mano, Tetsuo Tomita +4 more | 1996-06-25 |
| 5523458 | Process for producing optically active diaminohexanone derivative | Tetsuro Yamasaki, Noboru Sayo, Toshiyuki Murayama, Noboru Sano, Takero Ishizaki | 1996-06-04 |
| 5502221 | Process for producing cyclohexylbutyric acid derivative | Noboru Sayo, Noboru Sano | 1996-03-26 |
| 5442105 | Process for producing cyclohexylbutyric acid derivative | Noboru Sayo, Noboru Sano | 1995-08-15 |
| 5440030 | Ru catalyzed acyloxylation process for preparing 4-acyloxyazetidinone derivatives | Takao Saito, Shunichi Murahashi | 1995-08-08 |
| 5430171 | T-butyl (R)-(-)-4-cyano-3-hydroxybutyrate and process for preparing the same | Shigeru Mitsuhashi, Kazutoshi Sakurai | 1995-07-04 |
| 5420306 | Process for producing optically active .gamma.-butyrolactone derivatives | Ryoji Noyori, Masato Kitamura, Takeshi Ohkuma, Noboru Sayo | 1995-05-30 |
| 5412109 | Process for preparing optically active 4-methyl-2-oxetanone | Hidemasa Takaya, Tetsuo Ohta, Yoshiki Okeda, Yoshiharu Gonda | 1995-05-02 |
| 5349107 | Process for producing optically active .gamma.-hydroxyketones | Seiji Watanabe, Shigeru Mitsuhashi | 1994-09-20 |
| 5324861 | Water-soluble alkali metal sulfonate-substituted binaphthylphosphine transition metal complex and enantioselective hydrogenation method using it | Takerou Ishizaki | 1994-06-28 |