Inventor
YAMADA HIROTADA
26 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA HIROTADA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
16 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
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
US4368198AJan 11, 1983
Cephalosporins
SUMITOMO CHEMICAL CO3 citations63
US4226863AOct 7, 1980
7-Methoxy cephalosporins
SUMITOMO CHEMICAL CO2 citations63
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
US4390535AJun 28, 1983
Antimicrobial 7-(α-acylamino-α-arylacetamido)-3-(substituted methyl)cephalosporin compounds
SUMITOMO CHEMICAL CO1 citations48
NIPPON DENSO CO
5 patentsUS5095876AMar 17, 1992
Fuel supplying device for an internal combustion engine having multiple cylinder
NIPPON DENSO CO25 citations92
US4827897AMay 9, 1989
Fuel pump driving apparatus
NIPPON DENSO CO45 citations92
US5285759AFeb 15, 1994
Fuel system
NIPPON DENSO CO28 citations91
US5447139ASep 5, 1995
Fuel supplying device for an internal combustion engine having multiple cylinder
NIPPON DENSO CO7 citations73
US5273015ADec 28, 1993
Fuel supplying device for an internal combustion engine having multiple cylinder
NIPPON DENSO CO9 citations73