Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648548 | Optically active asymmetric diphosphine and process for producing optically active substance in its presence | Tetsuo Ota, Koji Inagaki | 1997-07-15 |
| 5631345 | Process for producing optically active polyketone | Kyoko Tamao, Naomasa Sato | 1997-05-20 |
| 5563295 | Process for producing optically active carboxylic acid | Xiaoyong Zhang, Kazuhiko Matsumura, Noboru Sayo, Hidenori Kumobayashi | 1996-10-08 |
| 5556998 | Transition metal complex, process for the preparation of the same, and asymmetric hydrogenation catalyst comprising the same | Akira Miyashita, Takeshi Chiba, Hiroyuki Nohira | 1996-09-17 |
| 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 | Nozomu Sakai, Kyoko Tamao, Satoshi Mano, Hidenori Kumobayashi, Tetsuo Tomita +4 more | 1996-06-25 |
| 5412109 | Process for preparing optically active 4-methyl-2-oxetanone | Tetsuo Ohta, Hidenori Kumobayashi, Yoshiki Okeda, Yoshiharu Gonda | 1995-05-02 |
| 5306834 | Process for preparing optically active 4-methyl-2-oxetanone | Tetsuo Ohta, Hidenori Kumobayashi | 1994-04-26 |
| 5210332 | Iridium-optically active phosphine complex and process for producing optically active alcohols using the same | Takanao Taketomi, Susumu Akutagawa, Hidenori Kumobayashi, Kazushi Mashima | 1993-05-11 |
| 5159093 | Iridium-optically active phosphine complex and process for producing optically active alcohols using the same | Takanao Taketomi, Susumu Akutagawa, Hidenori Kumobayashi, Kazushi Mashima | 1992-10-27 |
| 5087728 | Process for producing carboxylic acids and esters thereof | Hiroyuki Nohira, Akira Miyashita | 1992-02-11 |
| 5066815 | Process for preparing optically active alcohol | Noboru Sayo, Hidenori Kumobayashi, Susumo Akutagawa, Ryoji Noyori | 1991-11-19 |
| 5021593 | Ruthenium-optically active phosphine complex | Hiroyuki Nohira, Akira Miyashita | 1991-06-04 |
| 4994590 | Ruthenium-phoshine complex | Kazushi Mashima, Hidenori Kumobayashi, Noboru Sayo | 1991-02-19 |
| 4962242 | Process for producing optically active alcohols | Nobuo Yamada, Toshiyuki Takezawa, Noboru Sayo, Misao Yagi, Hidenori Kumobayashi +3 more | 1990-10-09 |
| 4962230 | Process for producing optically active carboxylic acid | Tetsuo Ohta, Ryoji Noyori, Noboru Sayo, Hidenori Kumobayashi, Susumu Akutagawa | 1990-10-09 |
| 4933482 | Process for preparing optically active alcohol | Noboru Sayo, Takao Saito, Hidenori Kumobayashi, Susumu Akutagawa, Ryoji Noyori | 1990-06-12 |
| 4916252 | Process for preparing optically active alcohol | Noboru Sayo, Takao Saito, Hidenori Kumobayashi, Susumu Akutagawa, Ryoji Noyori | 1990-04-10 |
| 4851537 | Process for preparing N-acyltetrahydroisoquinoline | Ryoji Noyori, Masato Kitamura, Hidenori Kumobayashi, Susumu Akutagawa | 1989-07-25 |
| 4739085 | Ruthenium-phosphine complex | Tetsuo Ohta, Ryoli Noyori, Noboru Sayo, Hidenori Kumobayashi, Susumu Akutagawa | 1988-04-19 |
| 4739084 | Ruthenium-phosphine complex | Tetsuo Ohta, Ryoji Noyori, Nobuo Yamada, Toshiyuki Takezawa, Noboru Sayo +3 more | 1988-04-19 |