Issued Patents All Time
Showing 151–160 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207313 | Anthracycline antibiotics | Hamao Umezawa, Toshikazu Oki, Taiji Inui | 1980-06-10 |
| 4205163 | Tylosin derivatives | Shunro Mori, Rokuro Okamoto, Taiji Inui | 1980-05-27 |
| 4204038 | Process for preparing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 | Hamao Umezawa, Hiroshi Naganawa, Masaaki Ishizuka, Norio Shibamoto, Toshikazu Oki +1 more | 1980-05-20 |
| 4202824 | Physiologically active derivatives of esterastin | Hamao Umezawa, Takaaki Aoyagi | 1980-05-13 |
| 4201843 | Process for manufacturing tylosin derivatives | Rokuro Okamoto, Tsumoru Fukumoto, Akira Takamatsu | 1980-05-06 |
| 4198480 | Process for producing antibiotic baumycin complex and components | Hamao Umezawa, Masa Hamada, Masaaki Ishizuka, Hiroshi Naganawa, Toshikazu Oki +1 more | 1980-04-15 |
| 4192915 | Anthracycline glycosides from streptomyces | Hamao Umezawa, Masa Hamada, Masaaki Ishizuka, Hiroshi Naganawa, Toshikazu Oki +1 more | 1980-03-11 |
| 4190589 | Coriolin derivatives and process for producing the same | Yuya Nakayama, Mamoru Kunishima, Akira Matsuda, Hamao Umezawa | 1980-02-26 |
| 4189438 | Physiologically active substance esterastin | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Masaaki Ishizuka | 1980-02-19 |
| 4185156 | Peptides and acid addition salts thereof | Hamao Umezawa, Takaaki Aoyagi, Tetsushi Saino, Michinori Koyama | 1980-01-22 |