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Shizumasa Kijima
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Niiza, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Terpene derivatives and process for preparing the same
Patent number
5,245,060
Issue date
Sep 14, 1993
Eisai Co. Ltd.
Kimio Hamamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2,3,5-trimethylbenzoquinone
Patent number
5,104,996
Issue date
Apr 14, 1992
Eisai Co., Ltd.
Noriyasu Hirose
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel vitamin E derivatives and process for the production thereof
Patent number
5,102,895
Issue date
Apr 7, 1992
Eisai Co., Ltd.
Noriyasu Hirose
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of terpenes
Patent number
5,073,659
Issue date
Dec 17, 1991
Eisai Co., Ltd.
Kichisaburo Hamamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyprenyl sulfone derivatives and process for producing the same
Patent number
4,613,571
Issue date
Sep 23, 1986
Esai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyprenyl carboxylic acid derivatives
Patent number
4,500,463
Issue date
Feb 19, 1985
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing polyprenyl carboxylic acid derivatives
Patent number
4,474,881
Issue date
Oct 2, 1984
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-functional-group-containing terpenoids, processes for the prepa...
Patent number
4,468,458
Issue date
Aug 28, 1984
Eisai Co., Ltd.
Akio Sato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of polyprenyl ketone derivatives
Patent number
4,468,459
Issue date
Aug 28, 1984
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyprenyl ketone derivatives
Patent number
4,456,558
Issue date
Jun 26, 1984
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Two-functional-group-containing terpenoids, processes for the prepa...
Patent number
4,454,330
Issue date
Jun 12, 1984
Eisai Co., Ltd.
Akio Sato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyprenyl sulfones
Patent number
4,449,002
Issue date
May 15, 1984
Eisai Co., Ltd.
Akio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anti-ulcer composition comprising terpenoid containing two function...
Patent number
4,435,423
Issue date
Mar 6, 1984
Eisai Co., Ltd.
Akio Sato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Two-functional-group-containing terpenoids
Patent number
4,386,227
Issue date
May 31, 1983
Eisai Co., Ltd.
Akio Sato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Two-functional-group-containing terpenoids, processes for the prepa...
Patent number
4,338,251
Issue date
Jul 6, 1982
Eisai Co., Ltd.
Akio Sato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Pyranochromone derivatives and therapeutic composition comprising s...
Patent number
4,208,426
Issue date
Jun 17, 1980
Eisai Co., Ltd.
Norio Minami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of treating hypertension with polyprenyl alcohol ester
Patent number
4,199,587
Issue date
Apr 22, 1980
Eisai Co., Ltd.
Shizumasa Kijima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hypertension treating agent containing polyprenyl alcohol
Patent number
4,175,139
Issue date
Nov 20, 1979
Eisai Co. Ltd.
Shizumasa Kijima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Therapeutic preparations for peptic ulcers comprising aliphatic ket...
Patent number
4,169,157
Issue date
Sep 25, 1979
Eisai Co., Ltd.
Shizumasa Kijima
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol
Patent number
4,163,864
Issue date
Aug 7, 1979
Eisai Co., Ltd.
Eiichi Morita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyprenyl carboxylic acid compound and hypotensive agent containin...
Patent number
4,130,659
Issue date
Dec 19, 1978
Eisai Co., Ltd.
Shizumasa Kijima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
5-Fluorouracil derivatives and antitumor preparations containing th...
Patent number
4,130,648
Issue date
Dec 19, 1978
Eisai Co., Ltd.
Shizumasa Kijima
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Polyprenyl carboxylic acid compound
Patent number
4,107,193
Issue date
Aug 15, 1978
Eisai Co., Ltd.
Shizumasa Kijima
C07 - ORGANIC CHEMISTRY