Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324870 | Process for producing optically active 1-substituted-1,3-propanediols using ruthenium-phosphine complex as a catalyst | Noboru Sano, Noboru Sayo | 1994-06-28 |
| 5312939 | 2,2'-bis (dicyclopentylphosphino)-1,1'-binaphthyl and transition metal complex using the same as ligand | Yoji Hori | 1994-05-17 |
| 5306834 | Process for preparing optically active 4-methyl-2-oxetanone | Hidemasa Takaya, Tetsuo Ohta | 1994-04-26 |
| 5288862 | Substituted acetoxyazetidinone derivatives and process for preparing 4-acyloxyazetidinone derivatives | Takao Saito, Shunichi Murahashi | 1994-02-22 |
| 5286888 | Ruthenium-phosphine complex and process for producing optically active 1-substituted-1,3-propanediols using the same as a catalyst | Noboru Sano, Noboru Sayo | 1994-02-15 |
| 5286883 | (3R,5S)-3,5,6-trihydroxyhexanoic acid derivative and production method thereof | Kazutoshi Sakurai, Shigeru Mitsuhashi | 1994-02-15 |
| 5274146 | Water-soluble alkali metal sulfonate-substituted binaphthylphosphine transition metal complex and enantioselective hydrogenation method using it | Takerou Ishizaki | 1993-12-28 |
| 5231202 | Optically active tertiary phosphine compound and transition metal complex using the same as ligand | Tamio Hayashi, Yasuhiro Uozumi, Akiko Yamazaki | 1993-07-27 |
| 5223632 | 2,2'-bis(di-(3,5-dialkylphenyl)phosphino)-1,1'-binaphthyl and transition metal complex containing the samd ligand | Takerou Ishizaki, Yoji Hori | 1993-06-29 |
| 5210315 | Process for producing .alpha.-hydroxyketones | Takao Saito, Shunichi Murahashi | 1993-05-11 |
| 5210332 | Iridium-optically active phosphine complex and process for producing optically active alcohols using the same | Takanao Taketomi, Susumu Akutagawa, Hidemasa Takaya, Kazushi Mashima | 1993-05-11 |
| 5206399 | 2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1 ,1'-binaphthyl and transition metal complex containing the same as ligand | Noboru Sayo | 1993-04-27 |
| 5204460 | Ruthenium catalyzed process for preparing 4-acetoxyazetidinones | Takao Saito | 1993-04-20 |
| 5198562 | Ruthenium-phosphine complex and intermediate for producing the same | Ryoji Noyori, Masato Kitamura, Noboru Sayo, Martin Francis Giles | 1993-03-30 |
| 5191076 | Acetyloxylation process for producing 4-acetoxyazetidinones with osmium catalyst | Takao Saito, Shunichi Murahashi | 1993-03-02 |
| 5159093 | Iridium-optically active phosphine complex and process for producing optically active alcohols using the same | Takanao Taketomi, Susumu Akutagawa, Hidemasa Takaya, Kazushi Mashima | 1992-10-27 |
| 5144042 | Process for preparing optically active 3-hydroxypyrrolidine derivatives | Nobuo Seido, Yoshiki Okeda | 1992-09-01 |
| 5128489 | Process for production of optically active 2-(tetrahydropyran-2-yloxy)-1-propanol | Akio Tachikawa, Yoshiki Okeda, Toshihiro Fujiwara | 1992-07-07 |
| 5081310 | Process for preparing optically active ketones | Nobuo Seido | 1992-01-14 |
| 5081239 | Ruthenium catalyzed process for preparing 4-acetoxyazetidinones | Takao Saito | 1992-01-14 |
| 5066815 | Process for preparing optically active alcohol | Noboru Sayo, Susumo Akutagawa, Ryoji Noyori, Hidemasa Takaya | 1991-11-19 |
| 5012002 | 2,2'-bis(di-(m-tolyl)phosphino)-1,1'-binaphthyl | Takanao Taketomi | 1991-04-30 |
| 4994590 | Ruthenium-phoshine complex | Hidemasa Takaya, Kazushi Mashima, Noboru Sayo | 1991-02-19 |
| 4994602 | Process for preparing optically active 6-t-butyoxy-3,5-dihydroxyhexanoic esters | Nobuo Seido, Noboru Sayo | 1991-02-19 |
| 4965398 | Process for producing optically active alpha-hydroxycarboxylates | Koichi Mikami, Masahiro Terada, Takeshi Nakai, Noboru Sayo | 1990-10-23 |