Ryuichiro Hara

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Tokyo, JP

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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
Histidine derivatives as superior renin inhibitors
- Patent number 4,904,660
- Issue date Feb 27, 1990
- Yamanouchi Pharmaceutical Co., Ltd.
- Kohji Nakano
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Amino-3-substituted-methyl-3-cephem-4-carboxylic acid and lower alk...
- Patent number 4,845,211
- Issue date Jul 4, 1989
- Yamanouchi Pharmaceutical Co., Ltd.
- Tadao Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3-substituted-methyl-3-cephem derivatives
- Patent number 4,699,980
- Issue date Oct 13, 1987
- Yamanouchi Pharmacutical Co., Ltd.
- Tadao Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin compounds and salts thereof
- Patent number 4,690,921
- Issue date Sep 1, 1987
- Yamanouchi Pharmaceutical Co., Ltd.
- Tadao Shibanuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephem compounds
- Patent number 4,608,373
- Issue date Aug 26, 1986
- Yamanouchi Pharmaceutical Co., Ltd.
- Tadao Shibanuma
- C07 - ORGANIC CHEMISTRY