Kazuo Kumagai

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Patents Grantslast 30 patents

Information Patent Grant
Oxindole derivative
- Patent number 6,576,656
- Issue date Jun 10, 2003
- Sumitomo Pharmaceuticals Co., Ltd.
- Teruhisa Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for production of biotin using bacteria belonging to the ge...
- Patent number 5,432,067
- Issue date Jul 11, 1995
- Sumitomo Chemical Company, Limited
- Kazuo Kumagai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for production of amide compounds using agrobacterium radio...
- Patent number 5,395,758
- Issue date Mar 7, 1995
- Sumitomo Chemical Company, Limited
- Yoshiki Takashima
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Antibiotics, and their production
- Patent number 4,764,602
- Issue date Aug 16, 1988
- Sumitomo Chemical Company
- Kazuo Kumagai
- C07 - ORGANIC CHEMISTRY