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Tetsuo Hiraoka
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Tokyo, JP
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last 30 patents
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Patent Grant
Lipid A analogs having immunoactivating and anti-tumor activity
Patent number
5,792,840
Issue date
Aug 11, 1998
Sankyo Company, Limited
Masao Shiozaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Esters of 7-sulfenyliminocephem-4-carboxylic acids
Patent number
4,438,265
Issue date
Mar 20, 1984
Sankyo Company Limited
Tetsuo Hiraoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
7-Oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid derivatives,...
Patent number
4,377,591
Issue date
Mar 22, 1983
Sankyo Company, Limited
Tetsuo Hiraoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of .beta.-lactam compounds
Patent number
4,162,251
Issue date
Jul 24, 1979
Sankyo Company Limited
Tetsuo Hiraoka
C07 - ORGANIC CHEMISTRY