Hiroaki Yanagisawa

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing beta-lactam antibiotic substances
- Patent number 4,071,681
- Issue date Jan 31, 1978
- Sankyo Company Limited
- Hiroaki Yanagisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 7-methoxycephalosporin compounds
- Patent number 4,051,129
- Issue date Sep 27, 1977
- Sankyo Company Limited
- Bunji Shimizu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing alkoxylated derivatives of cephalosporin comp...
- Patent number 4,051,320
- Issue date Sep 27, 1977
- Sankyo Company Limited
- Hiroaki Yanagisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 7 .alpha.-alkoxycephalosporin derivatives
- Patent number 4,048,155
- Issue date Sep 13, 1977
- Sankyo Company Limited
- Hiroaki Yanagisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cephalosporin derivatives
- Patent number 4,016,155
- Issue date Apr 5, 1977
- Sankyo Company Limited
- Hiroaki Yanagisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cephalosporin derivatives
- Patent number 4,007,177
- Issue date Feb 8, 1977
- Sankyo Company Limited
- Hideo Nakao
- C07 - ORGANIC CHEMISTRY