Akihiko Shimotani

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Hasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing polymorphic crystals of donepezil hydrochloride
- Patent number 7,479,563
- Issue date Jan 20, 2009
- Eisai R & D Management Co., Ltd.
- Akio Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Protected aminothiazolylacetic acid derivatives
- Patent number 5,665,888
- Issue date Sep 9, 1997
- Eisai Chemical Co., Ltd.
- Yoshio Urawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Protected aminothiazolylacetic acid derivatives
- Patent number 5,650,518
- Issue date Jul 22, 1997
- Eisai Chemical Co., Ltd.
- Yoshio Urawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Protected aminothiazolylacetic acid derivatives
- Patent number 5,631,378
- Issue date May 20, 1997
- Eisai Chemical Co., Ltd.
- Yoshio Urawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING 1-BENZYL-4- [ (5,6-DIMETHOXY-1-INDANONE)-2-YL...
- Publication number 20110105759
- Publication date May 5, 2011
- Akio Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method of producing polymorphic crystals of donepezil hydrochloride
- Publication number 20050209281
- Publication date Sep 22, 2005
- EISAI CO., LTD.
- Akio Imai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing multiform crystal of donepezil hydrochloride
- Publication number 20040034057
- Publication date Feb 19, 2004
- Akio Imai
- C07 - ORGANIC CHEMISTRY