Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5037993 | Sulfonyl derivatives of an antibiotic substance isolated from streptomyces | Kazunori Ohba, Masaji Sezaki, Shinichi Kondo, Masao Koyama, Haruo Yamamoto | 1991-08-06 |
| 4994578 | Certain anti-tumor duocarmycin antibiotics from streptomyces | Kazunori Ohba, Hiroomi Watabe, Mieko Nagasawa, Shiro Sakakibara, Takashi Shomura +4 more | 1991-02-19 |
| 4954641 | Novel antitumor antibiotic substance and a method for production thereof | Yoshikazu Sato, Hiroomi Watabe, Shigetaka Ishii, Takashi Shomura, Masaji Sezaki +1 more | 1990-09-04 |
| 4734402 | Feeds for domestic animals and method for breeding them | Kiyoshi Hashimoto, Hidemasa Hidaka, Eida Toshiaki | 1988-03-29 |