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Kamiya Takashi
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Ibaraki, JP
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last 30 patents
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Patent Grant
7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds
Patent number
5,373,000
Issue date
Dec 13, 1994
Eisai Co., Ltd.
Yoshimasa Machida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of cephem derivatives and intermediates...
Patent number
5,128,465
Issue date
Jul 7, 1992
Eisai Co., Ltd.
Takashi Kamiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-propenylcephem derivative
Patent number
5,089,491
Issue date
Feb 18, 1992
Eisai Co., Ltd.
Takashi Kamiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-propenylcephem derivative
Patent number
5,066,812
Issue date
Nov 19, 1991
Eisai Co., Ltd.
Kamiya Takashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cephem derivatives
Patent number
5,010,188
Issue date
Apr 23, 1991
Eisai Co., Ltd.
Hiroshi Yamauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cephem derivatives
Patent number
5,008,260
Issue date
Apr 16, 1991
Eisai Co., Ltd.
Hiroshi Yamauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-propenylcephem derivative
Patent number
5,006,649
Issue date
Apr 9, 1991
Eisai, Co.
Takashi Kamiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thiadiazolylacetamide cephem derivatives
Patent number
4,929,612
Issue date
May 29, 1990
Eisai Co., Ltd.
Yoshimasa Machida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-propenylcephem derivative
Patent number
4,921,850
Issue date
May 1, 1990
Eisai Co., Ltd.
Takashi Kamiya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cephem compounds having at the 3-position a (1,4-methylene-1-piperi...
Patent number
4,748,171
Issue date
May 31, 1988
Eisai Co., Ltd.
Hiroshi Yamauchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-(pyrrolidinio)methyl-3-cephem derivatives
Patent number
4,698,336
Issue date
Oct 6, 1987
Eisai Co., Ltd.
Isao Saito
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacter...
Patent number
4,546,176
Issue date
Oct 8, 1985
Eisai Co., Ltd.
Yoshimasa Machida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2-Methylchromone derivatives and process for their preparation
Patent number
4,513,145
Issue date
Apr 23, 1985
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY