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Yasushi Takagi
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Yokohama, JP
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last 30 patents
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Patent Grant
Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2 fluoro-&#...
Patent number
6,184,365
Issue date
Feb 6, 2001
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3,4-di-O,N-Protected-4-amino-2,4,6-trideoxy-2-fluoro-L-manno-pyrano...
Patent number
6,075,135
Issue date
Jun 13, 2000
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anthracycline derivatives having 4-amino-2,4,6-trideoxy-2-fluoro-ma...
Patent number
5,958,889
Issue date
Sep 28, 1999
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anthracycline derivative having a trifluoromethylated sugar
Patent number
5,801,257
Issue date
Sep 1, 1998
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fluorine-containing anthracycline derivatives having hydroxyl group...
Patent number
5,789,386
Issue date
Aug 4, 1998
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anthracycline derivative having a trifluoromethylated sugar
Patent number
5,719,130
Issue date
Feb 17, 1998
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Tomio Takeuchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 2,6-dideoxy-2-fluoro-L-talopyranose
Patent number
5,034,517
Issue date
Jul 23, 1991
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Hamao Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1-n-(4-amino-3-fluoro-2-hydroxybutyryl)-kanamycins
Patent number
4,873,225
Issue date
Oct 10, 1989
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Sumio Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of a selectively protected N-acylated derivative of an a...
Patent number
4,297,485
Issue date
Oct 27, 1981
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Hamao Umezawa
C07 - ORGANIC CHEMISTRY