Katsu Kanemasa

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carbapenem derivatives
- Patent number 6,037,341
- Issue date Mar 14, 2000
- Eisai Co., Ltd.
- Nobuaki Sato
- C07 - ORGANIC CHEMISTRY
Information 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
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
Cephalosporin derivatives, and antibacterial drugs containing the d...
- Patent number 4,285,939
- Issue date Aug 25, 1981
- Eisai Co., Ltd.
- Yoshimasa Machida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin compounds and antibacterial drugs containing the same
- Patent number 4,285,941
- Issue date Aug 25, 1981
- Eisai Co., Ltd.
- Yoshimasa Machida
- C07 - ORGANIC CHEMISTRY

Katsu Kanemasa

Person

Patents Grantslast 30 patents

Carbapenem derivatives

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...

7-acyl-3-(substituted carbamoyloxy) cephem compounds and process fo...

7-acyl-3-(substituted carbamoyloxy) cephem compounds

7-acyl-3-(substituted carbamoyloxy) cephem compound

3-substituted vinyl cephalosporin derivatives

Process for the preparation of cephem derivatives and intermediates...

3-propenylcephem derivative

3-propenylcephem derivative

3-propenylcephem derivative

Thiadiazolylacetamide cephem derivatives

3-propenylcephem derivative

Cephalosporin derivatives, and antibacterial drugs containing the d...

Cephalosporin compounds and antibacterial drugs containing the same