Shigeo Seki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
3',4'-Diedeoxykanamycin B derivatives
- Patent number 4,357,465
- Issue date Nov 2, 1982
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
7.alpha.Methoxycephalosporin derivatives
- Patent number 4,357,331
- Issue date Nov 2, 1982
- Meiji Seika Kaisha, Ltd.
- Katsuyoshi Iwamatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-aminobutyric acid or its derivatives
- Patent number 4,290,972
- Issue date Sep 22, 1981
- Meiji Seika Kaisha, Ltd.
- Toshio Yoneta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,258,184
- Issue date Mar 24, 1981
- Meiji Seika Kaisha Ltd.
- Fumio Kai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Agricultural and horticultural pesticides
- Patent number 4,256,744
- Issue date Mar 17, 1981
- Meiji Seika Kaisha, Ltd.
- Shigeo Seki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polychalcogen ester of cephem compound, process for preparing the s...
- Patent number 4,225,706
- Issue date Sep 30, 1980
- Meiji Seika Kaisha Ltd.
- Shigeo Seki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3',4'-Episulfido kanamycin B compounds
- Patent number 4,195,170
- Issue date Mar 25, 1980
- Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of a 9,3"-di-acyl derivative of a macrol...
- Patent number 4,188,480
- Issue date Feb 12, 1980
- Meiji Seika Kaisha, Ltd.
- Takeshi Nakamura
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cephalosporanic acid derivatives
- Patent number 4,175,185
- Issue date Nov 20, 1979
- Meiji Seika Kaisha Ltd.
- Shigeo Seki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cephalosporin esters in the presence of liqui...
- Patent number 4,159,372
- Issue date Jun 26, 1979
- Meiji Seika Kaisha Ltd.
- Shigeo Seki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 7-amino-cephem compounds using mold...
- Patent number 4,141,790
- Issue date Feb 27, 1979
- Meiji Seika Kaisha Ltd.
- Tomizo Niwa
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for the preparation of 7-acylamida-3-halo-3-alkyl-cepham-4-...
- Patent number 4,128,714
- Issue date Dec 5, 1978
- Meiji Seika Kaisha Ltd.
- Masao Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin-type antibiotics and process for producing the same
- Patent number 4,113,944
- Issue date Sep 12, 1978
- Meiji Seika Kaisha, Ltd.
- Fumio Kai
- C07 - ORGANIC CHEMISTRY

Shigeo Seki

Person

Patents Grantslast 30 patents

3',4'-Diedeoxykanamycin B derivatives

7.alpha.Methoxycephalosporin derivatives

Process for the production of 4-aminobutyric acid or its derivatives

Cephalosporin derivatives

Agricultural and horticultural pesticides

Polychalcogen ester of cephem compound, process for preparing the s...

3',4'-Episulfido kanamycin B compounds

Process for the production of a 9,3"-di-acyl derivative of a macrol...

Process for preparing cephalosporanic acid derivatives

Process for preparing cephalosporin esters in the presence of liqui...

Process for the preparation of 7-amino-cephem compounds using mold...

Process for the preparation of 7-acylamida-3-halo-3-alkyl-cepham-4-...

Cephalosporin-type antibiotics and process for producing the same