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Yatabemachi, JP
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Patents Grants
last 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
Cyclic amide derivatives
Patent number
5,919,778
Issue date
Jul 6, 1999
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
5,654,306
Issue date
Aug 5, 1997
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bicyclic amide derivatives, compositions and methods of treatment
Patent number
5,654,308
Issue date
Aug 5, 1997
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Benzoxazine derivatives
Patent number
5,620,976
Issue date
Apr 15, 1997
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic amine and pharmacological composition
Patent number
5,523,307
Issue date
Jun 4, 1996
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,2,3,4 tetrahydropteridinone cyclic amide derivatives
Patent number
5,521,182
Issue date
May 28, 1996
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
5,424,318
Issue date
Jun 13, 1995
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
5,306,720
Issue date
Apr 26, 1994
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic amide derivatives
Patent number
5,292,735
Issue date
Mar 8, 1994
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine compounds useful to treat cerebrovascular diseases
Patent number
5,196,439
Issue date
Mar 23, 1993
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperdine derivative and pharmaceutical composition
Patent number
5,118,684
Issue date
Jun 2, 1992
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic amine compounds and pharmaceutical use
Patent number
5,100,901
Issue date
Mar 31, 1992
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
5,039,681
Issue date
Aug 13, 1991
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
4,942,169
Issue date
Jul 17, 1990
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic amine derivatives
Patent number
4,921,863
Issue date
May 1, 1990
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic amine compounds with activity against acetylcholinesterase
Patent number
4,895,841
Issue date
Jan 23, 1990
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and pharmaceutical composition
Patent number
4,849,431
Issue date
Jul 18, 1989
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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