Inventor
SETO KIYOTOMO
JP15 patents
Patents
15 patentsUS4885284ADec 5, 1989
Dihydropyridine-5-phosphonic acid cyclic propylene ester
NISSAN CHEMICAL IND LTD31 citations92
US5508403AApr 16, 1996
Phosphorus pyridine compound
NISSAN CHEMICAL IND LTD21 citations90
US5130303AJul 14, 1992
Drug effect-enhancing agent for antitumor drug
NISSAN CHEMICAL IND LTD25 citations90
US5097037AMar 17, 1992
Process for the optical resolution of pyranobenzoxadiazole compounds
NISSAN CHEMICAL IND LTD12 citations73
US4576934AMar 18, 1986
Antihypertensive dihydropyridine-5-phosphonic acid cyclic esters
NISSAN CHEMICAL IND LTD11 citations73
US4900752AFeb 13, 1990
Pyranobenzoxadiazole derivatives
NISSAN CHEMICAL IND LTD11 citations71
US5319089AJun 7, 1994
Process for the optical resolution of pyranobenzoxadiazole compounds
NISSAN CHEMICAL IND LTD4 citations62
US4879400ANov 7, 1989
Process for producing alpha-(benzylidene)acetonylphosphonates
NISSAN CHEMICAL IND LTD2 citations62
US4839361AJun 13, 1989
Dihydropyridine-5-phosphonic acid cyclic propylene ester
NISSAN CHEMICAL IND LTD1 citations62
US6340762B2Jan 22, 2002
Method for optical resolution of piperidine carboxylic acid derivative
NISSAN CHEMICAL IND LTD4 citations61
US5919806AJul 6, 1999
Medicines for cardiac insufficiency
NISSAN CHEMICAL IND LTD4 citations61
US5304550AApr 19, 1994
Drug effect-enhancing agent for antitumor drug
NISSAN CHEMICAL IND LTD2 citations60
US5272271ADec 21, 1993
Pyranobenzoxadiazole derivatives
NISSAN CHEMICAL IND LTD3 citations60
US5177237AJan 5, 1993
Hydrazine derivatives useful as intermediates in the synthesis of hypotensive agents
NISSAN CHEMICAL IND LTD0 citations51
US4843076AJun 27, 1989
Dihydropyridine-5-phosphonic acid cyclic ester
NISSAN CHEMICAL IND LTD1 citations51