Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037993 | Sulfonyl derivatives of an antibiotic substance isolated from streptomyces | Masaji Sezaki, Shinichi Kondo, Masao Koyama, Tadashi Nakazawa, Haruo Yamamoto | 1991-08-06 |
| 4994578 | Certain anti-tumor duocarmycin antibiotics from streptomyces | Hiroomi Watabe, Mieko Nagasawa, Shiro Sakakibara, Takashi Shomura, Masaji Sezaki +4 more | 1991-02-19 |
| 4242327 | Antibiotic SF-2052 substance and production and use thereof | Takashi Shomura, Michio Kojima, Shoji Omoto, Takashi Tsuruoka, Shigeharu Inoue | 1980-12-30 |
| 4220639 | Antibiotics SF-2050 and SF-2050B substances and production and use thereof | Chuhei Nojiri, Yasuaki Ogawa, Jiro Itoh, Kunikazu Totsugawa, Norio Ezaki +4 more | 1980-09-02 |
| 4202886 | Antibiotic SF-1942 substance and process for production of the same | Takashi Shomura, Yasuaki Ogawa, Takashi Tsuruoka, Hiroshi Watanabe, Takashi Hisamatsu +3 more | 1980-05-13 |