Issued Patents 1989
Showing 1–4 of 4 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, Tomio Takeuchi | 1989-12-26 |
| 4839350 | Cephalosporin compounds and the production thereof | Kunio Atsumi, Kenji Sakagami, Yuichi Yamamoto, Takashi Yoshida, Ken Nishihata +1 more | 1989-06-13 |
| 4810702 | Antibacterial agent for mammal use comprising cephalosporin derivatives as an effective ingredient | Seiji Shibahara, Tsuneo Okonogi, Yasushi Murai, Toshiaki Kudo, Takashi Yoshida +1 more | 1989-03-07 |
| 4795743 | 2'-deamino-2'-hydroxyistamycin B.sub.o derivatives of low toxicity | Yoshiro Okami, Daishiro Ikeda, Hamao Umezawa | 1989-01-03 |