Inventor
IZAWA AKIO
12 patents
Patents
12 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
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
US3954775AMay 4, 1976
Thiazolo(5,4-f)quinoline-8-carboxylic acid derivatives
SUMITOMO CHEMICAL CO3 citations60
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