Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880825 | Mitomycin derivatives | Yutaka Kanda, Motomichi Kono, Yutaka Saito, Makoto Morimoto, Tadashi Ashizawa | 1989-11-14 |
| 4877776 | K-252 compounds | Chikara Murakata, Akira Sato, Eiji Kobayashi, Makoto Morimoto, Shiro Akinaga | 1989-10-31 |
| 4853385 | 7-N,8-N-Ethylenemitomycin 8-imines | Yutaka Saito, Kunikatsu Shirahata, Motomichi Kono, Makoto Morimoto, Tadashi Ashizawa | 1989-08-01 |
| 4849136 | Process for producing 7-amino-6-demethyl-6-deoxytetracycline | Yutaka Saito | 1989-07-18 |
| 4820824 | Mitomaycin compounds | Motomichi Kono, Yutaka Saito, Makoto Morimoto, Tadashi Ashizawa | 1989-04-11 |
| 4771068 | Mitomycin derivatives having anti-tumor and antibacterial utility | Yutaka Saito, Motomichi Kono, Akira Sato, Hiroshi Sano, Kunikatsu Shirahata +2 more | 1988-09-13 |
| 4748251 | 7-n-aminomethylenemitomycin derivative | Kunikatsu Shirahata, Motomichi Kono, Makoto Morimoto, Tadashi Ashizawa | 1988-05-31 |
| 4733000 | Optially active 1-amino-2-(4-hydroxyphenyl)ethylphosphonic acid and derivatives thereof | Kunikatsu Shirahata | 1988-03-22 |
| 4691024 | New mitomycin derivatives, preparation thereof and pharmaceutical compositions containing them | Kunikatsu Shirahata, Motomichi Kono, Yutaka Saito, Makoto Morimoto, Tadashi Ashizawa | 1987-09-01 |
| 4683220 | Novel physiologically active substances K-26, a process for preparation thereof and a pharmaceutical composition containing the same | Masayuki Yamato, Hiroshi Kase, Isao Kawamoto, Kunikatsu Shirahata, Takashi Deguchi +4 more | 1987-07-28 |
| 4522812 | Novel physiologically active substance K-4, a process for preparation thereof and a pharmaceutical composition containing the same | Toshiro Koguchi, Hiroshi Kase, Isao Kawamoto, Kunikatsu Shirahata, Ryo Okachi +1 more | 1985-06-11 |
| 4395558 | 9-Epi-mitomycin B and D compounds | Kunikatsu Shirahata, Motomichi Kono | 1983-07-26 |
| 4393056 | Antibiotics tetronolide compounds and process for production thereof | Fusao Tomita, Tatsuya Tamaoki, Kunikatsu Shirahata, Noriaki Hirayama, Makoto Morimoto +1 more | 1983-07-12 |
| 4374774 | Mitomycins | Motomichi Kono, Kunikatsu Shirahata | 1983-02-22 |
| 4353986 | Process for producing antibiotic nanaomycin E | Satoshi Omura, Haruo Tanaka, Itaru Takahashi, Shinzo Ishii, Kazuyuki Mineura +1 more | 1982-10-12 |
| 4346075 | Antibiotic DC-11 and process for production thereof | Fusao Tomita, Tatsuya Tamaoki, Nobuo Nakamura, Shuji Okubo, Kunikatsu Shirahata +1 more | 1982-08-24 |
| 4296040 | Antibiotic nanaomycin E and a process for producing the same | Satoshi Omura, Haruo Tanaka, Itaru Takahashi, Shinzo Ishii, Kazuyuki Mineura +1 more | 1981-10-20 |
| 4264504 | Mitomycin derivatives | Chikahiro Urakawa, Haruko Tsuchiya, Kunikatsu Shirahata, Kinichi Nakano, Itaru Takahashi +1 more | 1981-04-28 |