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Yukio Ishibashi
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Osaka, JP
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last 30 patents
Information
Patent Grant
Carbapenem compound, their production and use
Patent number
6,174,877
Issue date
Jan 16, 2001
Takeda Chemical Industries, Ltd.
Yukio Ishibashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystalline esters of (+)-(5R, 6S)-6-[(R)-1-hydroxyethyl]-3-(3-pyri...
Patent number
5,492,903
Issue date
Feb 20, 1996
Takeda Chemical Industries Ltd.
Yoshiharu Maeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of T-butyl 3-oxobutyrates and their use
Patent number
5,183,929
Issue date
Feb 2, 1993
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing cephem compounds
Patent number
5,162,522
Issue date
Nov 10, 1992
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of t-butyl 3-oxobutyrates and their use
Patent number
5,109,131
Issue date
Apr 28, 1992
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of cephalosporin compounds
Patent number
4,980,464
Issue date
Dec 25, 1990
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for production of 2-oxyimino-3-oxobutyric acids
Patent number
4,927,964
Issue date
May 22, 1990
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing cephem compounds
Patent number
4,908,444
Issue date
Mar 13, 1990
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
4-halogeno-2-oxyimino-3-oxobutyric acids and derivatives
Patent number
4,845,257
Issue date
Jul 4, 1989
Takeda Chemical Industries, Ltd.
Kenzo Naito
C07 - ORGANIC CHEMISTRY