Masayuki Iwata

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
4-oxoquinoline-3-carboxylic acid derivatives their preparation and...
- Patent number 5,496,951
- Issue date Mar 5, 1996
- Sankyo Company, Limited
- Masayuki Iwata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Intermediates for certain 4-oxoquinoline-3-carboxylic acid derivatives
- Patent number 5,436,367
- Issue date Jul 25, 1995
- Sanko Company, Limited
- Masayuki Iwata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-aryloxmethyl-cephalosporin derivatives, and their medical use
- Patent number 5,389,626
- Issue date Feb 14, 1995
- Sankyo Company, Limited
- Koichi Kojima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxoquinoline-3-carboxylic acid derivatives and their use
- Patent number 5,348,961
- Issue date Sep 20, 1994
- Sankyo Company Limited
- Masayuki Iwata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(heterocyclylthio) carbapenem derivatives, their preparation and...
- Patent number 5,242,914
- Issue date Sep 7, 1993
- Sankyo Company, Limited
- Isao Kawamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(heterocyclylthio)carbapenem derivatives, their preparation and t...
- Patent number 5,104,867
- Issue date Apr 14, 1992
- Sankyo Company, Limited
- Isao Kawamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2-(1-acetimidoyl-5-carbamoylpyrrolidin-3-ylthio-6-(1-hydroxyethyl)-...
- Patent number 5,102,997
- Issue date Apr 7, 1992
- Sankyo Company Limited
- Yukio Sugimura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-oxoquinoline-3-carboxylic acid derivatives and their use
- Patent number 5,073,556
- Issue date Dec 17, 1991
- Sankyo Company Limited
- Masayuki Iwata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinoline-3-carboxylic acid derivatives
- Patent number 4,997,943
- Issue date Mar 5, 1991
- Sankyo Company Limited
- Masayuki Iwata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbapenem derivatives
- Patent number 4,771,046
- Issue date Sep 13, 1988
- Sankyo Company, Limited
- Isao Kawamoto
- C07 - ORGANIC CHEMISTRY

Masayuki Iwata

Person

Patents Grantslast 30 patents

4-oxoquinoline-3-carboxylic acid derivatives their preparation and...

Intermediates for certain 4-oxoquinoline-3-carboxylic acid derivatives

3-aryloxmethyl-cephalosporin derivatives, and their medical use

4-oxoquinoline-3-carboxylic acid derivatives and their use

2-(heterocyclylthio) carbapenem derivatives, their preparation and...

2-(heterocyclylthio)carbapenem derivatives, their preparation and t...

2-(1-acetimidoyl-5-carbamoylpyrrolidin-3-ylthio-6-(1-hydroxyethyl)-...

4-oxoquinoline-3-carboxylic acid derivatives and their use

Quinoline-3-carboxylic acid derivatives

Carbapenem derivatives