Kai Yasunobu

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Ibaraki, JP

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Patents Grantslast 30 patents

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