Inventor
IWANAMI MASARU
12 patents
Patents
12 patentsUS3985758AOct 12, 1976
1,4-Dihydropyridine derivatives
YAMANOUCHI PHARMA CO LTD81 citations95
US4263432AApr 21, 1981
7α-Methoxy-7β-(1,3-dithietane-2-carboxamido)cephalosporanic acid derivatives
YAMANOUCHI PHARMA CO LTD25 citations81
US4404373ASep 13, 1983
Process for the preparation of 7α-methoxy-7β-(1,3-diethietane-2-carboxamido)cephalosporanic acid derivatives
YAMANOUCHI PHARMA CO LTD10 citations72
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
US4165429AAug 21, 1979
7α-METHOXY-CEPHALOSPORANIC ACID DERIVATIVES
YAMANOUCHI PHARMA CO LTD4 citations62
US4036834AJul 19, 1977
Derivatives of 7-(α-hydroxy-substituted pyridyl carboxamido-α phΔ3 -cephem-4-carboxylic acid
YAMANOUCHI PHARMA CO LTD2 citations62
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
US4581353AApr 8, 1986
Cephalosporin derivative and pharmaceutical composition
YAMANOUCHI PHARMA CO LTD0 citations50
US4414153ANov 8, 1983
1,3-Dithietane-2-carboxylic acid penicillin and cephalosporin derivatives
YAMANOUCHI PHARMA CO LTD0 citations50
US4210751AJul 1, 1980
Process for producing 7β-amino-7α-methoxycephalosporins
YAMANOUCHI PHARMA CO LTD0 citations50
US3991111ANov 9, 1976
N-alkenyltetracycline derivatives
YAMANOUCHI PHARMA CO LTD0 citations39