Zhen Ya Zhang

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing vitamin B12 from hydrogen-metabolizing methane...
- Patent number 7,018,815
- Issue date Mar 28, 2006
- Japan Science and Technology Corporation
- Takaaki Maekawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for producing vitamin B12 from hydrogen-metabolizing methan...
- Patent number 6,972,188
- Issue date Dec 6, 2005
- Japan Science and Technology Corporation
- Takaaki Maekawa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
Process for producing vitamim b12 from hydrogen-metabolizing methan...
- Publication number 20030134822
- Publication date Jul 17, 2003
- Takaaki Maekawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...