Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8318684 | Antibiotics, bispolides A1, A2, and A3 as well as bispolides B1, B2a, B2b and B3 and processes for producing said antibiotics | Keiichi Numata, Noriyuki Okujo, Siew Eim Khor, Lee Li Tan, Annie George +7 more | 2012-11-27 |
| 6043217 | Amide derivative of amythiamicin | Yasuhiko Muraoka, Tomio Takeuchi, Tsuneo Okonogi | 2000-03-28 |
| 5527820 | Antibiotics having immunosuppressive activity, delaminomycins and processes for the production of the same | Masaaki Ishizuka, Mitsuhiro Ueno, Hiroshi Naganawa, Masa Hamada, Kenji Maeda +1 more | 1996-06-18 |
| 5098935 | Carcinostatic or antitumor antibiotic, conagenin, and production and uses thereof | Masaaki Ishizuka, Takashi Yamashita, Hiroshi Naganawa, Kunio Isshiki, Masa Hamada +2 more | 1992-03-24 |
| 5096924 | Anticancer antibiotic MI43-37F11 substance | Masaaki Ishizuka, Hiroyuki Kumagai, Tsutomu Sawa, Hiroshi Naganawa, Kunio Isshiki +3 more | 1992-03-17 |
| 4983328 | N-(4-(3-aminopropyl)aminobutyl)-2-(.omega.-gua nidino-fatty-acid-amido(-2-substituted-ethanamide, salt thereof, and process for preparation thereof | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Daishiro Ikeda, Teruya Nakamura +1 more | 1991-01-08 |
| 4686308 | Novel physiologically active substance MH435 | Hamao Umezawa, Tomio Takeuchi, Masa Hamada, Hiroshi Naganawa, Tsutomu Sawa +3 more | 1987-08-11 |
| 4658058 | 11-O-methylspergualin | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Daishiro Ikeda, Teruya Nakamura +1 more | 1987-04-14 |
| 4518532 | N-[4-(3-aminopropyl)-aminobutyl]-2-(.omega.-gua nidino-fatty-acid-amido)-2-substituted-ethanamide and salt thereof | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Daishiro Ikeda, Teruya Nakamura +1 more | 1985-05-21 |
| 4518802 | N-[4-[(3-aminopropyl)amino]butyl]-2,2-dihydroxyethanamide | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Daishiro Ikeda, Teruya Nakamura +1 more | 1985-05-21 |
| 4474880 | Antibiotic BMG162-aF2, a process for production thereof, and antitumor drug containing said antibiotic as active ingredient | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Setsuko Kunimoto | 1984-10-02 |
| 4430346 | Novel carcinostatic substance and process for synthesis thereof | Hamao Umezawa, Tomio Takeuchi, Shinichi Kondo, Daishiro Ikeda, Teruya Nakamura +1 more | 1984-02-07 |
| 4416899 | Antibiotic BMG162-aF2, a process for production thereof, and antitumor drug containing said new antibiotic as active ingredient | Hamao Umezawa, Tomio Takeuchi, Hiroshi Naganawa, Setsuko Kunimoto | 1983-11-22 |