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Norio Kawahara
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Ageo, JA
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last 30 patents
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Patent Grant
Cephalosporin derivatives having at the 3-position of the cephem ri...
Patent number
4,068,074
Issue date
Jan 10, 1978
Yamanouchi Pharmaceutical Co., Ltd.
Masuo Murakami
C07 - ORGANIC CHEMISTRY
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Patent Grant
Ampicillin derivatives substituted by heterocyclic acyl group
Patent number
3,953,428
Issue date
Apr 27, 1976
Yamanouchi Pharmaceutical Co., Ltd.
Masuo Murakami
C07 - ORGANIC CHEMISTRY