Inventor
KURODA SEIETSU
11 patents
Patents
11 patentsUS4087424AMay 2, 1978
Novel penicillins and cephalosporins and process for producing the same
TOYAMA CHEMICAL CO LTD56 citations95
US4410522AOct 18, 1983
Cephalosporins
TOYAMA CHEMICAL CO LTD28 citations92
US4379152AApr 5, 1983
Cephalosporins
TOYAMA CHEMICAL CO LTD30 citations92
US4112090ASep 5, 1978
Novel penicillins and cephalosporins and process for producing the same
TOYAMA CHEMICAL CO LTD44 citations92
US4110327AAug 29, 1978
2,3 Diketo-piperazinocarbonylamino alkanoic acids and derivatives
TOYAMA CHEMICAL CO LTD43 citations92
US4327097AApr 27, 1982
Novel penicillins
TOYAMA CHEMICAL CO LTD28 citations81
US4219554AAug 26, 1980
Novel penicillins and cephalosporins and process for producing same
TOYAMA CHEMICAL CO LTD28 citations81
US4317907AMar 2, 1982
Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
TOYAMA CHEMICAL CO LTD25 citations80
US4385178AMay 24, 1983
Process for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acids
TOYAMA CHEMICAL CO LTD6 citations72
US4312986AJan 26, 1982
Process for producing 7-(substituted)amino-3-substituted thiomethyl-Δ3 -cephem-4-carboxylic acids
TOYAMA CHEMICAL CO LTD9 citations72
US3981865ASep 21, 1976
Bis-type penicillins and process for producing the same
TOYAMA CHEMICAL CO LTD9 citations71