Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663342 | Pharmaceutical composition and method for immunopotentiation | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1987-05-05 |
| 4595698 | Physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1986-06-17 |
| 4565861 | Serirubicum | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Tsutomu Sawa, Takeshi Uchida +1 more | 1986-01-21 |
| 4550159 | Anthracycline compounds | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Tsutomu Sawa, Takeshi Uchida +1 more | 1985-10-29 |
| 4495347 | Antibiotic oxanosine and process for the preparation thereof | Hamao Umezawa, Nobuyoshi Shimada, Hiroshi Naganawa, Tomohisa Takita, Tomio Takeuchi | 1985-01-22 |
| 4420473 | Antibiotic, MF266 substance and production thereof | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Kiyoto Ishii | 1983-12-13 |
| 4394446 | Process for the preparation of the antibiotic oxanosine | Hamao Umezawa, Nobuyoshi Shimada, Hiroshi Naganawa, Tomohisa Takita, Tomio Takeuchi | 1983-07-19 |
| 4358602 | Ebelactones and production thereof | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Shinichi Kondo, Masaaki Ishizuka | 1982-11-09 |
| 4242453 | Cultivating streptomyces to produce an esterase inhibitor | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1980-12-30 |
| 4198480 | Process for producing antibiotic baumycin complex and components | Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Hiroshi Naganawa, Toshikazu Oki +1 more | 1980-04-15 |
| 4192915 | Anthracycline glycosides from streptomyces | Hamao Umezawa, Tomio Takeuchi, Masaaki Ishizuka, Hiroshi Naganawa, Toshikazu Oki +1 more | 1980-03-11 |
| 4189438 | Physiologically active substance esterastin | Hamao Umezawa, Takaaki Aoyagi, Tomio Takeuchi, Masaaki Ishizuka | 1980-02-19 |