Inventor
NAKAGOME TAKENARI
22 patents
Patents
22 patentsUS3992371ANov 16, 1976
Penicillins substituted with heterocyclic and substituted phenyl groups
SUMITOMO CHEMICAL CO33 citations92
US3954733AMay 4, 1976
Naphthyridine-3-carboxamido-benzylpenicillins and salts thereof
SUMITOMO CHEMICAL CO33 citations92
US3945995AMar 23, 1976
D-α-(4-hydroxypyridine-3-carbonamido)-p-hydroxyphenylacetamidopenicillanic acid
SUMITOMO CHEMICAL CO20 citations79
US4125611ANov 14, 1978
3-Heterocyclic thiomethyl 7-methoxy-7 substituted acetamido cephalosporins
SUMITOMO CHEMICAL CO22 citations78
US4165373AAug 21, 1979
7-(α-Acylamino-α-phenyl or thienylacetamido) cephalosporin derivatives
SUMITOMO CHEMICAL CO11 citations74
US4160087AJul 3, 1979
N-acylamino-α-arylacetamido cephalosporins
SUMITOMO CHEMICAL CO13 citations73
US4156724AMay 29, 1979
N-acylamino-alpha-arylacetamido cephalosporins and antibacterial compositions and methods containing them
SUMITOMO CHEMICAL CO17 citations73
US4117126ASep 26, 1978
7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivatives
SUMITOMO CHEMICAL CO7 citations73
US4061748ADec 6, 1977
7-(α-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-α-phenylacetamido) cephalosporin derivatives
SUMITOMO CHEMICAL CO7 citations73
US4008220AFeb 15, 1977
Penicillins
SUMITOMO CHEMICAL CO9 citations73
US4005075AJan 25, 1977
Penicillins and their preparation
SUMITOMO CHEMICAL CO17 citations73
US4043991AAug 23, 1977
Preparation of peptides and cephalosporins
SUMITOMO CHEMICAL CO10 citations70
US3963736AJun 15, 1976
Preparation of 1-(lower alkyl)-1,4-dihydro-7-methyl-4-oxo-1,8-naphthyridine-3-carboxylic acids
SUMITOMO CHEMICAL CO14 citations70
US4368198AJan 11, 1983
Cephalosporins
SUMITOMO CHEMICAL CO3 citations63
US4226863AOct 7, 1980
7-Methoxy cephalosporins
SUMITOMO CHEMICAL CO2 citations63
US3954775AMay 4, 1976
Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives
SUMITOMO CHEMICAL CO3 citations60
US3978053AAug 31, 1976
Process for producing cephalosporins
SUMITOMO CHEMICAL CO2 citations58
US4302454ANov 24, 1981
Cephalosporins
SUMITOMO CHEMICAL CO1 citations52
US4046904ASep 6, 1977
Novel penicillin, and its preparation and use
SUMITOMO CHEMICAL CO1 citations51
US4003887AJan 18, 1977
Novel penicillins and their preparation
SUMITOMO CHEMICAL CO1 citations51
US4008237AFeb 15, 1977
2,3,5,8-Tetrahydro-5-alkoxy-8-oxofuro(2,3-g)quinoline-7-carboxylic acid derivatives
SUMITOMO CHEMICAL CO1 citations50
US4054568AOct 18, 1977
Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives
SUMITOMO CHEMICAL CO0 citations49