Toshifumi Asaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Macrolide derivatives
- Patent number 8,124,744
- Issue date Feb 28, 2012
- Taisho Pharmaceutical Co., Ltd.
- Masato Kashimura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Erythromycin A derivatives
- Patent number 6,191,118
- Issue date Feb 20, 2001
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin A derivatives
- Patent number 6,169,168
- Issue date Jan 2, 2001
- Taisho Pharmaceuticals Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin a derivatives
- Patent number 6,165,986
- Issue date Dec 26, 2000
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin a derivatives
- Patent number 6,140,479
- Issue date Oct 31, 2000
- Taisho Pharmaceuticals Co., Ltd.
- Toshifumi Asaka
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Erythromycin A derivatives
- Patent number 5,804,565
- Issue date Sep 8, 1998
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-O-desosaminylerythronolide derivatives
- Patent number 5,631,354
- Issue date May 20, 1997
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-O-desosaminylerythronolide a derivatives
- Patent number 5,631,355
- Issue date May 20, 1997
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-O-desosaminylerythronolide derivatives
- Patent number 5,602,239
- Issue date Feb 11, 1997
- Taisho Pharmaceutical Co., Ltd.
- Yoko Misawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-O-desosaminylerythronolide a derivative
- Patent number 5,591,837
- Issue date Jan 7, 1997
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-O-desosaminylerythronolide derivatives
- Patent number 5,523,399
- Issue date Jun 4, 1996
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-0-methylerythromycin A derivatives
- Patent number 5,403,923
- Issue date Apr 4, 1995
- Taisho Pharmaceutical Co., Ltd.
- Masato Kashimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2'-position modified compound of erythromycin or its derivative
- Patent number 5,350,839
- Issue date Sep 27, 1994
- Taisho Pharmaceutical Co., Ltd.
- Toshifumi Asaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-O-methylerythromycin A oxime derivatives
- Patent number 5,302,705
- Issue date Apr 12, 1994
- Taisho Pharmaceutical Co., Ltd.
- Yoko Misawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin A derivatives
- Patent number 4,990,602
- Issue date Feb 5, 1991
- Taisho Pharmaceutical Co., Ltd.
- Shigeo Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Erythromycin derivatives
- Patent number 4,833,236
- Issue date May 23, 1989
- Taisho Pharmaceutical Co., Ltd.
- Shigeo Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-O-methylerythromycin a derivative
- Patent number 4,680,386
- Issue date Jul 14, 1987
- Taisho Pharmaceutical Co., Ltd.
- Shigeo Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for selective methylation of erythromycin A derivatives
- Patent number 4,672,109
- Issue date Jun 9, 1987
- Taisho Pharmaceutical Co., Ltd.
- Yoshiaki Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for selective methylation of erythromycin a derivatives
- Patent number 4,670,549
- Issue date Jun 2, 1987
- Taisho Pharmaceutical Co., Ltd.
- Shigeo Morimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin compounds
- Patent number 4,357,470
- Issue date Nov 2, 1982
- Taisho Pharmaceutical Co., Ltd.
- Yoshiaki Watanabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel penicillin derivatives
- Patent number 4,190,581
- Issue date Feb 26, 1980
- Taisho Pharmaceutical Co., Ltd.
- Yoshiaki Watanabe
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
MACROLIDE DERIVATIVES
- Publication number 20090076253
- Publication date Mar 19, 2009
- TAISHO PHARMACEUTICAL CO., LTD.
- Masato Kashimura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Toshifumi Asaka

Person

Patents Grantslast 30 patents

Macrolide derivatives

Erythromycin A derivatives

Erythromycin A derivatives

Erythromycin a derivatives

Erythromycin a derivatives

Erythromycin A derivatives

5-O-desosaminylerythronolide derivatives

5-O-desosaminylerythronolide a derivatives

5-O-desosaminylerythronolide derivatives

5-O-desosaminylerythronolide a derivative

5-O-desosaminylerythronolide derivatives

6-0-methylerythromycin A derivatives

2'-position modified compound of erythromycin or its derivative

6-O-methylerythromycin A oxime derivatives

Erythromycin A derivatives

Erythromycin derivatives

6-O-methylerythromycin a derivative

Method for selective methylation of erythromycin A derivatives

Method for selective methylation of erythromycin a derivatives

Cephalosporin compounds

Novel penicillin derivatives

Patents Applicationslast 30 patents

MACROLIDE DERIVATIVES