Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889926 | "Method for the synthesis of (2""R)-4'-O-tetra-hydropyranyladriamycim using 14-chloro-daunomycin as an intermediate" | Tomoya Machinami, Takeshi Nakamura, Ken Nishihata, Shinichi Kondo | 1989-12-26 |
| 4888418 | Derivatives of 13-deoxycarminomycin | Hiroyuki Kawai, Shohachi Nakajima | 1989-12-19 |
| 4873225 | 1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycins | Sumio Umezawa, Tsutomu Tsuchiya, Kazuo Umezawa, Yoshiaki Takahashi, Tetsuo Shitara +2 more | 1989-10-10 |
| 4859593 | New physiologically active substance, arphamenine and production thereof | Hamao Umezawa, Takaaki Aoyagi, Masa Hamada, Masaaki Ishizuka | 1989-08-22 |
| 4851446 | Immunosuppressing method | Hamao Umezawa, Masaaki Ishizuka, Fuminori Abe, Akio Fujii, Teruya Nakamura | 1989-07-25 |
| 4833268 | Threo-adrenalinecarboxylic acid, and the production and uses thereof | Hamao Umezawa, Toshiharu Nagatsu, Hirotaro Narabayashi, Shuichi Iwadare, Ikuo Matsumoto +3 more | 1989-05-23 |
| 4818818 | Method for the preparation of 4'-0-tetrahydropyranyladriamycin b | Hamao Umezawa, Kuniaki Tatsuta, Yoshikazu Takahashi | 1989-04-04 |