Inventor
SHIBANUMA TADAO
12 patents
Patents
12 patentsUS3985758AOct 12, 1976
1,4-Dihydropyridine derivatives
YAMANOUCHI PHARMA CO LTD81 citations95
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
US4068074AJan 10, 1978
Cephalosporin derivatives having at the 3-position of the cephem ring a heterocyclic thiomethyl group with a carboxy or sulfo group and at the 7-position of the cephem ring an α-heterocylic acylaminophenyl-acetamide group
YAMANOUCHI PHARMA CO LTD12 citations72
US5081116AJan 14, 1992
Cephalosporin derivatives
YAMANOUCHI PHARMA CO LTD17 citations71
US4690921ASep 1, 1987
Cephalosporin compounds and salts thereof
YAMANOUCHI PHARMA CO LTD15 citations71
US4198339AApr 15, 1980
1,3-Dithietane-2-carboxylic acids and the preparation thereof
YAMANOUCHI PHARMA CO LTD3 citations60
US3951962AApr 20, 1976
Novel N-alkenyltetracycline derivatives
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
US3991111ANov 9, 1976
N-alkenyltetracycline derivatives
YAMANOUCHI PHARMA CO LTD0 citations39