Kohtarou Kodama

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Phthalazine compounds and therapeutic agents for erectile dysfunction
- Patent number 6,699,870
- Issue date Mar 2, 2004
- Eisai Co., Ltd.
- Nobuhisa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phthalazine derivatives and remedies for erectile dysfunction
- Patent number 6,498,159
- Issue date Dec 24, 2002
- Eisai Co., Ltd.
- Nobuhisa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Remedy for erection failure comprising fused pyridazine compound
- Patent number 6,288,064
- Issue date Sep 11, 2001
- Eisai Co., Ltd.
- Nobuhisa Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thioformamide derivatives
- Patent number 5,606,061
- Issue date Feb 25, 1997
- Eisai Co., Ltd.
- Yasuhiro Kabasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thioformamide derivatives
- Patent number 5,498,634
- Issue date Mar 12, 1996
- Eisai Co., Ltd.
- Yasuhiro Kabasawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thioformamide derivatives having hypotensive activity
- Patent number 5,444,066
- Issue date Aug 22, 1995
- Eisai Co., Ltd.
- Yasuhiro Kabasawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Drugs containing riboflavin-type compounds
- Publication number 20050208124
- Publication date Sep 22, 2005
- Eisai Co., Ltd.
- Seiichi Araki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Phthalazine compounds and therapeutic agents for erectile dysfunction
- Publication number 20030105074
- Publication date Jun 5, 2003
- EISAI CO., LTD.
- Nobuhisa Watanabe
- C07 - ORGANIC CHEMISTRY