Membership
Tour
Register
Log in
Hiroki Ishihara
Follow
Person
Tsukuba, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Indole derivative having piperidine ring
Patent number
7,538,123
Issue date
May 26, 2009
Eisai R&D Management Co., Ltd.
Yuichi Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine compound and pharmaceutical composition thereof
Patent number
6,784,192
Issue date
Aug 31, 2004
Eisai Co., Ltd.
Fumihiro Ozaki
C07 - ORGANIC CHEMISTRY
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
Fused pyridazine compounds
Patent number
6,218,392
Issue date
Apr 17, 2001
Eisai Co., Ltd.
Nobuhisa Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fused pyridazine compounds
Patent number
5,849,741
Issue date
Dec 15, 1998
Eisai Co., Ltd.
Nobuhisa Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anthranilic acid derivatives
Patent number
5,716,993
Issue date
Feb 10, 1998
Eisai Co., Ltd.
Fumihiro Ozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-containing fused-heterocycle compounds
Patent number
5,707,998
Issue date
Jan 13, 1998
Eisai Co., Ltd.
Yasutaka Takase
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinazoline compounds
Patent number
5,614,627
Issue date
Mar 25, 1997
Eisai Co., Ltd.
Yasutaka Takase
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biphenylmethane derivative and pharmacological use
Patent number
5,506,238
Issue date
Apr 9, 1996
Eisai Co., Ltd.
Kazutoshi Miyake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pyrrolidine compound and pharmaceutical use
Patent number
5,444,083
Issue date
Aug 22, 1995
Eisai Co., Ltd.
Motosuke Yamanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biphenylmethane derivative and pharmacological use
Patent number
5,328,911
Issue date
Jul 12, 1994
Eisai Co., Ltd.
Kazutoshi Miyake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biphenylmethane derivative and pharmacological use
Patent number
5,298,518
Issue date
Mar 29, 1994
Eisai Co., Ltd.
Kazutoshi Miyake
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
1-(Piperidin-4- Yl)-1H-Indole Derivatives
Publication number
20080119518
Publication date
May 22, 2008
Yuichi Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Indole derivative having piperidine ring
Publication number
20050256103
Publication date
Nov 17, 2005
EISAI CO., LTD.
Yuichi Suzuki
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Novel piperidine compouds and drugs containing the same
Publication number
20030220368
Publication date
Nov 27, 2003
Fumihiro Ozaki
C07 - ORGANIC CHEMISTRY
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