Keiko Nakanishi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing L-tryptophan in serine auxotrophic microorgan...
- Patent number 5,624,828
- Issue date Apr 29, 1997
- Kyowa Hakko Kogyo Co. Ltd.
- Ryoichi Katsumata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for stably maintaining recombinant plasmids in serine auxot...
- Patent number 5,595,894
- Issue date Jan 21, 1997
- Kyowa Hakko Kogyo Co. Ltd.
- Ryoichi Katsumata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing amino acids
- Patent number 5,498,532
- Issue date Mar 12, 1996
- Kyowa Hakko Kogyo, Co., Ltd.
- Ryoichi Katsumata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing L-tryptophan
- Patent number 5,447,857
- Issue date Sep 5, 1995
- Kyowa Hakko Kogyo Co., Ltd.
- Ryoichi Katsumata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Recombinant coryneform bacterium for producing L-tryptophan
- Patent number 5,407,824
- Issue date Apr 18, 1995
- Kyowa Hakko Kogyo Co., Ltd.
- Ryoichi Katsumata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...