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Kouichi Yoshioka
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Kyoto, JP
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last 30 patents
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Patent Grant
Antibiotic derivatives, their production and use
Patent number
4,897,489
Issue date
Jan 30, 1990
Takeda Chemical Industries, Ltd.
Kouichi Yoshioka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gamma-lactonecarboxylic acid derivatives and their use as antibacte...
Patent number
4,882,434
Issue date
Nov 21, 1989
Takeda Chemical Industries, Ltd.
Kouichi Yoshioka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Antibiotic 2-(3-oxo-2-isoxazolidinyl)-5-oxo-2-tetrahydrofuran-carbo...
Patent number
4,851,422
Issue date
Jul 25, 1989
Takeda Chemical Industries, Ltd.
Hideaki Natsugari
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active .beta.-lactams and method of their production
Patent number
4,751,299
Issue date
Jun 14, 1988
Takeda Chemical Industries, Ltd.
Tohru Sugawara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing 2-azetidinone-1-sulfonic acid compounds
Patent number
4,533,495
Issue date
Aug 6, 1985
Takeda Chemical Industries, Ltd.
Kouichi Yoshioka
C07 - ORGANIC CHEMISTRY