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Yutaka Tsuchiya
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Tokyo, JP
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Patents Grants
last 30 patents
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
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
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
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
Piperidine derivative and pharmaceutical composition
Patent number
4,849,431
Issue date
Jul 18, 1989
Eisai Co., Ltd.
Hachiro Sugimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polypeptide
Patent number
4,707,468
Issue date
Nov 17, 1987
Eisai Co., Ltd.
Hiroshi Yoshino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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