Takuo Tanaka

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing methylcobalamin
- Patent number 7,220,855
- Issue date May 22, 2007
- Eisai Co., Ltd.
- Yoshihiko Hisatake
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for producing methylcobalamin
- Publication number 20040132687
- Publication date Jul 8, 2004
- Yoshihiko Hisatake
- C07 - ORGANIC CHEMISTRY