Yoshihiko Hisatake

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Kounan, 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
Information Patent Grant
Process for production of methylcobalamin
- Patent number 6,657,057
- Issue date Dec 2, 2003
- Eisai Co., Ltd.
- Yoshihiko Hisatake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Terpene derivatives and process for preparing the same
- Patent number 5,245,060
- Issue date Sep 14, 1993
- Eisai Co. Ltd.
- Kimio Hamamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying secretin
- Patent number 4,533,494
- Issue date Aug 6, 1985
- Eisai Co., Ltd.
- Mikio Uchiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heptacosapeptide
- Patent number 4,407,745
- Issue date Oct 4, 1983
- Eisai Co., Ltd.
- Mikio Uchiyama
- 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
Information Patent Application
Process for production of methylcobalamin
- Publication number 20020183511
- Publication date Dec 5, 2002
- Yoshihiko Hisatake
- C07 - ORGANIC CHEMISTRY