Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184365 | Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2 fluoro-.alpha.-L-talopyranosyl group | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya | 2001-02-06 |
| 6075135 | 3,4-di-O,N-Protected-4-amino-2,4,6-trideoxy-2-fluoro-L-manno-pyranosyl halide and a process for its preparation | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya | 2000-06-13 |
| 5958889 | Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2-fluoro-mannopyranosyl group | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya | 1999-09-28 |
| 5801257 | Anthracycline derivative having a trifluoromethylated sugar | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya | 1998-09-01 |
| 5789386 | Fluorine-containing anthracycline derivatives having hydroxyl groups(s) mono- or di-o-aminoalkanoylated in the sugar moiety thereof | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya, Hiromi Sohtome | 1998-08-04 |
| 5719130 | Anthracycline derivative having a trifluoromethylated sugar | Tomio Takeuchi, Sumio Umezawa, Tsutomu Tsuchiya | 1998-02-17 |
| 5034517 | Process for producing 2,6-dideoxy-2-fluoro-L-talopyranose | Hamao Umezawa, Sumio Umezawa, Tsutomu Tsuchiya, Tomio Takeuchi | 1991-07-23 |
| 4873225 | 1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycins | Sumio Umezawa, Tsutomu Tsuchiya, Tomio Takeuchi, Kazuo Umezawa, Yoshiaki Takahashi +2 more | 1989-10-10 |
| 4297485 | Production of a selectively protected N-acylated derivative of an aminoglycosidic antibiotic | Hamao Umezawa, Sumio Umezawa, Tsutomu Tsuchiya, Tomo Jikihara | 1981-10-27 |