Tetsuya Maeda

Person

Urawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cephalosporin derivatives
- Patent number 5,233,035
- Issue date Aug 3, 1993
- Yamanouchi Pharmaceutical Co., Ltd.
- Ryuichiro Hara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 5,081,116
- Issue date Jan 14, 1992
- Yamanouchi Pharmaceutical Co., Ltd.
- Noriaki Nagano
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-dithietane-2-carboxylic acid penicillin and cephalosporin deriv...
- Patent number RE33778
- Issue date Dec 24, 1991
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- 540 - Organic compounds
Information Patent Grant
Process for the preparation of 7.alpha.-methoxy-7.beta.-(1,3-diethi...
- Patent number RE32491
- Issue date Sep 1, 1987
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- 540 - Organic compounds
Information Patent Grant
1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin deriv...
- Patent number 4,414,153
- Issue date Nov 8, 1983
- Yamanouchi Pharmaceutical Co. Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 7.alpha.-methoxy-7.beta.-(1,3-diethi...
- Patent number 4,404,373
- Issue date Sep 13, 1983
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.-Methoxy-7.beta.-(1,3-dithietane-2-carboxamido)cephalospora...
- Patent number 4,263,432
- Issue date Apr 21, 1981
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-Dithietane-2-carboxylic acids and the preparation thereof
- Patent number 4,198,339
- Issue date Apr 15, 1980
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES
- Patent number 4,165,429
- Issue date Aug 21, 1979
- Yamanouchi Pharmaceutical Co., Ltd.
- Masaru Iwanami
- C07 - ORGANIC CHEMISTRY

Tetsuya Maeda

Person

Patents Grantslast 30 patents

Cephalosporin derivatives

Cephalosporin derivatives

1,3-dithietane-2-carboxylic acid penicillin and cephalosporin deriv...

Process for the preparation of 7.alpha.-methoxy-7.beta.-(1,3-diethi...

1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin deriv...

Process for the preparation of 7.alpha.-methoxy-7.beta.-(1,3-diethi...

7.alpha.-Methoxy-7.beta.-(1,3-dithietane-2-carboxamido)cephalospora...

1,3-Dithietane-2-carboxylic acids and the preparation thereof

7.alpha.-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES