Inventor
TAKANO SHUNTARO
26 patents
⚠️ This page may combine multiple inventors who share the name “TAKANO SHUNTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYAMA CHEMICAL CO LTD
23 patentsUS4087424AMay 2, 1978
Novel penicillins and cephalosporins and process for producing the same
TOYAMA CHEMICAL CO LTD56 citations95
US4704459ANov 3, 1987
Process for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediates
TOYAMA CHEMICAL CO LTD67 citations94
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
US4851535AJul 25, 1989
Nicotinic acid derivatives
TOYAMA CHEMICAL CO LTD24 citations91
US5922755AJul 13, 1999
Immunomodulator, cell adhesion inhibtor, and agent for treating, and preventing autoimmune diseases
TOYAMA CHEMICAL CO LTD34 citations90
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
US4263292AApr 21, 1981
7α-methoxycephalosporins and pharmaceutical composition comprising the same
TOYAMA CHEMICAL CO LTD10 citations73
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
US5236950AAug 17, 1993
Process for hair growth
TOYAMA CHEMICAL CO LTD19 citations71
US3981865ASep 21, 1976
Bis-type penicillins and process for producing the same
TOYAMA CHEMICAL CO LTD9 citations71
US4395412AJul 26, 1983
7α-Methoxycephalosporins
TOYAMA CHEMICAL CO LTD4 citations62
US4129730ADec 12, 1978
7α-Methoxy-cephalosporins
TOYAMA CHEMICAL CO LTD5 citations62
US4736026AApr 5, 1988
Novel process for producing a cephalosporin
TOYAMA CHEMICAL CO LTD4 citations61
US6166068ADec 26, 2000
Immunomodulator, cell adhesion inhibitor, and agent for treating, and preventing autoimmune diseases
TOYAMA CHEMICAL CO LTD5 citations60
US4200744AApr 29, 1980
Substituted 7α-methoxy-7β[(2,3-dioxo-1-piperazinyl)carbonylaminophenylacetamido]cephalosporins
TOYAMA CHEMICAL CO LTD4 citations60
US4321265AMar 23, 1982
7α-Methoxycephalosporins
TOYAMA CHEMICAL CO LTD1 citations51
US4304909ADec 8, 1981
Process for producing 7-(D(-)-α-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-α-(4-hydroxyphenyl)acetamido)-3-(5-(1-methyl-1,2,3,4-tetrazolyl)thiomethyl)-.DELTA.3 -cephem-4-carboxylic acid and a pharmaceutically acceptable salt thereof
TOYAMA CHEMICAL CO LTD1 citations51