Yoshiyuki Asai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparation of L-tryptophan by enzyme
- Patent number 4,335,209
- Issue date Jun 15, 1982
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Asai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Luminous material for use in fishery and method for the production...
- Patent number 4,202,905
- Issue date May 13, 1980
- Mitsui Toatsu Chemicals Incorporated
- Yoshiyuki Asai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...