Toshio Kumagai

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
1,9-diazabicyclo[4.3.0]nona-3,8-diene derivatives
- Patent number 6,080,755
- Issue date Jun 27, 2000
- Wyeth Lederle Japan, Ltd.
- Hiroshi Matsunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbapenem-3-carboxylic acid ester derivatives
- Patent number 5,886,172
- Issue date Mar 23, 1999
- Lederle (Japan) Ltd.
- Takao Abe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulfur-containing compounds method for their use and prodction
- Patent number 5,783,703
- Issue date Jul 21, 1998
- Lederle (Japan), Ltd.
- Kazuhiko Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-�1-(1,3-thiazolin-2-yl)azetidin-3-yl!thio-carbapenem derivatives
- Patent number 5,679,790
- Issue date Oct 21, 1997
- Lederle (Japan), Ltd.
- Takao Abe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-[1-(1,3-thiazolin-2-yl)azetidin-3-yl]thio-carbapenem derivatives
- Patent number 5,534,510
- Issue date Jul 9, 1996
- Lederle (Japan), Ltd.
- Takao Abe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Antibacterially effective methods and compositions based upon (1R,5...
- Patent number 4,925,836
- Issue date May 15, 1990
- Lederle (Japan), Ltd.
- Toshio Kumagai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for the manufacture of (1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazo...
- Patent number 4,925,935
- Issue date May 15, 1990
- Lederle (Japan), Ltd.
- Toshio Kumagai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azetidin-2-one derivatives, and process for production thereof usin...
- Patent number 4,918,184
- Issue date Apr 17, 1990
- Lederle (Japan), Ltd.
- Yoshimitsu Nagao
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazolium-6-yl...
- Patent number 4,866,171
- Issue date Sep 12, 1989
- Lederle (Japan), Ltd.
- Toshio Kumagai
- C07 - ORGANIC CHEMISTRY

Toshio Kumagai

Person

Patents Grantslast 30 patents

1,9-diazabicyclo[4.3.0]nona-3,8-diene derivatives

Carbapenem-3-carboxylic acid ester derivatives

Sulfur-containing compounds method for their use and prodction

2-�1-(1,3-thiazolin-2-yl)azetidin-3-yl!thio-carbapenem derivatives

2-[1-(1,3-thiazolin-2-yl)azetidin-3-yl]thio-carbapenem derivatives

Antibacterially effective methods and compositions based upon (1R,5...

Methods for the manufacture of (1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazo...

Azetidin-2-one derivatives, and process for production thereof usin...

(1R,5S,6S)-2-[(6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazolium-6-yl...