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Ibaraki, JP
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last 30 patents
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Patent Grant
7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...
Patent number
5,741,902
Issue date
Apr 21, 1998
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...
Patent number
5,604,217
Issue date
Feb 18, 1997
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...
Patent number
5,587,473
Issue date
Dec 24, 1996
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-acyl-3-(substituted carbamoyloxy) cephem compounds
Patent number
5,563,265
Issue date
Oct 8, 1996
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-acyl-3-(substituted carbamoyloxy) cephem compound
Patent number
5,559,225
Issue date
Sep 24, 1996
Eisai Co., Ltd.
Shigeto Negi
C07 - ORGANIC CHEMISTRY
Information
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
3-substituted vinyl cephalosporin derivatives
Patent number
5,151,417
Issue date
Sep 29, 1992
Eisai Co., Ltd.
Manabu Sasho
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
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
4-cyanopiperidine derivatives
Patent number
4,721,788
Issue date
Jan 26, 1988
Eisai Co., Ltd.
Hiroshi Yamauchi
C07 - ORGANIC CHEMISTRY