Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880825 | Mitomycin derivatives | Masaji Kasai, Yutaka Kanda, Motomichi Kono, Yutaka Saito, Tadashi Ashizawa | 1989-11-14 |
| 4879386 | Anti-tumor DC-52 compounds | Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Tadashi Hirata, Tadashi Ashizawa | 1989-11-07 |
| 4877776 | K-252 compounds | Chikara Murakata, Akira Sato, Masaji Kasai, Eiji Kobayashi, Shiro Akinaga | 1989-10-31 |
| 4863935 | Mitomycin compounds having useful anti-tumor activity | Yasushi Shida, Tokuyuki Kuroda, Ikuo Matsukuma, Tadashi Ashizawa | 1989-09-05 |
| 4853385 | 7-N,8-N-Ethylenemitomycin 8-imines | Yutaka Saito, Masaji Kasai, Kunikatsu Shirahata, Motomichi Kono, Tadashi Ashizawa | 1989-08-01 |
| 4822882 | DC-52 derivatives and their antitumor use | Hiromitsu Saito, Yoichi Uosaki, Akira Sato, Tadashi Hirata, Tadashi Ashizawa | 1989-04-18 |
| 4820824 | Mitomaycin compounds | Motomichi Kono, Masaji Kasai, Yutaka Saito, Tadashi Ashizawa | 1989-04-11 |