Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386198 | 2-Hydroxyaclacinomycin A and 2-hydroxyaklavinone and process for preparing same | Toshikazu Oki, Akihiro Yoshimoto, Kageaki Kouno, Tomio Takeuchi, Hamao Umezawa | 1983-05-31 |
| 4337312 | Process for producing anthracycline glycosides | Toshikazu Oki, Akihiro Yoshimoto, Kageaki Kouno, Tomio Takeuchi, Hamao Umezawa | 1982-06-29 |
| 4318847 | Physiologically active tetrapeptides | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi | 1982-03-09 |
| 4317881 | Process for producing cyclodextrins | Yoshiaki Yagi, Kageaki Kouno | 1982-03-02 |
| 4316011 | Rhodomycin antibiotics | Toshikazu Oki, Akihiro Yoshimoto, Yasue Matsuzawa, Tomio Takeuchi, Hamao Umezawa | 1982-02-16 |
| 4267312 | Anthracycline derivatives and process for preparing the same | Toshikazu Oki, Akihiro Yoshimoto, Tomio Takeuchi, Hamao Umezawa | 1981-05-12 |
| 4245045 | Method of producing anthracycline antibiotics | Hamao Umezawa, Tomio Takeuchi, Toshikazu Oki | 1981-01-13 |
| 4219622 | Process for producing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Masaaki Ishizuka, Norio Shibamoto +1 more | 1980-08-26 |
| 4209588 | Process for producing new antitumor anthracycline antibiotics | Hamao Umezawa, Tomio Takeuchi, Toshikazu Oki | 1980-06-24 |
| 4207313 | Anthracycline antibiotics | Hamao Umezawa, Tomio Takeuchi, Toshikazu Oki | 1980-06-10 |
| 4205163 | Tylosin derivatives | Shunro Mori, Rokuro Okamoto, Tomio Takeuchi | 1980-05-27 |
| 4204038 | Process for preparing antibiotics MA 144-M.sub.1 and MA 144-M.sub.2 | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Masaaki Ishizuka, Norio Shibamoto +1 more | 1980-05-20 |
| 4198480 | Process for producing antibiotic baumycin complex and components | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka, Hiroshi Naganawa +1 more | 1980-04-15 |
| 4192915 | Anthracycline glycosides from streptomyces | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Masaaki Ishizuka, Hiroshi Naganawa +1 more | 1980-03-11 |