Hiroshi Yamaga

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
β-lactam compounds and process for producing the same
- Patent number 6,599,895
- Issue date Jul 29, 2003
- Sumitomo Pharmaceuticals Company, Limited
- Makoto Sunagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition containing ascorbic acid
- Patent number 6,399,658
- Issue date Jun 4, 2002
- Sumitomo Pharmaceuticals Co., Ltd.
- Hiroshi Noguchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
β-lactam compounds and process for preparing the same
- Patent number 6,265,396
- Issue date Jul 24, 2001
- Sumitomo Pharmaceuticals Co., Ltd.
- Makoto Sunagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbapenem compounds and process for producing the same
- Patent number 5,750,686
- Issue date May 12, 1998
- Sumitomo Pharmaceuticals Company, Limited
- Makoto Sunagawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-lactam compounds and their production
- Patent number 5,227,376
- Issue date Jul 13, 1993
- Sumitomo Pharmaceuticals Co., Ltd.
- Makoto Sunagawa
- C07 - ORGANIC CHEMISTRY