Inventor
NAGANO NORIAKI
JP12 patents
Patents
12 patentsUS4263432AApr 21, 1981
7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives
YAMANOUCHI PHARMA CO LTD25 citations81
US4699980AOct 13, 1987
Process for preparing 3-substituted-methyl-3-cephem derivatives
YAMANOUCHI PHARMA CO LTD16 citations80
US4608373AAug 26, 1986
Cephem compounds
YAMANOUCHI PHARMA CO LTD21 citations80
US4474779AOct 2, 1984
Cephalosporin compounds
YAMANOUCHI PHARMA CO LTD22 citations80
US4404373ASep 13, 1983
Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxamido)cephalosporanic acid derivatives
YAMANOUCHI PHARMA CO LTD10 citations72
US5081116AJan 14, 1992
Cephalosporin derivatives
YAMANOUCHI PHARMA CO LTD17 citations71
US4690921ASep 1, 1987
Cephalosporin compounds and salts thereof
YAMANOUCHI PHARMA CO LTD15 citations71
US5233035AAug 3, 1993
Cephalosporin derivatives
YAMANOUCHI PHARMA CO LTD8 citations68
US4165429AAug 21, 1979
7α-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES
YAMANOUCHI PHARMA CO LTD4 citations62
US4198339AApr 15, 1980
1,3-Dithietane-2-carboxylic acids and the preparation thereof
YAMANOUCHI PHARMA CO LTD3 citations60
US4845211AJul 4, 1989
Amino-3-substituted-methyl-3-cephem-4-carboxylic acid and lower alkylsilyl derivatives thereof
YAMANOUCHI PHARMA CO LTD0 citations50
US4414153ANov 8, 1983
1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives
YAMANOUCHI PHARMA CO LTD0 citations50