Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441040 | Oral preparations comprising S-(3-hydroxypropyl)-L-cysteine | Misao Murata, Hideyoshi Kanbe, Shuji Yamauchi, Akira Iwasa | 2002-08-27 |
| 5373073 | Process for the preparation of 1-monoalkyl dimethylsilylpropyne polymers | Katsunori Waragai, Shiro Asakawa | 1994-12-13 |
| 5176724 | Permselective composite membrane having improved gas permeability and selectivity | Shiro Asakawa, Katsunori Waragai, Midori Seki | 1993-01-05 |
| 5158770 | Aqueous solution containing ginkgo leaf extract | Naomi Yoshida, Seiichi Umeda | 1992-10-27 |
| 5149751 | Process for the preparation of 1-monoalkyl-dimethylsilylpropyne polymers | Katsunori Waragai, Shiro Asakawa | 1992-09-22 |
| 5128131 | Process for preparing a watersoluble composition containing ginkgo leaf extracts | Shimesu Motoyama, Seiichi Umeda | 1992-07-07 |
| 4925612 | Method for making a thin film of polymer | Katsunori Waragai, Shiro Asakawa | 1990-05-15 |
| 4565846 | Selective gas-permeable films | Yoshimasa Ito, Shiro Asakawa | 1986-01-21 |
| 4553988 | High-temperature furnace having selectively permeable membranes for oxygen enrichment | Shoji Shimizu, Shirow Asakawa, Yoshimasa Ito | 1985-11-19 |