Inventor
SUGAYA TORU
JP4 patents
Patents
4 patentsUS4448964AMay 15, 1984
1,4-Dihydropyridine derivatives
KYOWA HAKKO KOGYO KK23 citations79
US4639522AJan 27, 1987
1-benzyl-3,5-dimethyl-4-piperdyl ester of a Hantzsch dihydropyridine
KYOWA HAKKO KOGYO KK8 citations72
US5079358AJan 7, 1992
6H-pyrazolo-[4,5,1-d,e]acridin-6-one derivatives having anit-tumor activity
KYOWA HAKKO KOGYO KK4 citations61
US5602255AFeb 11, 1997
Process for producing tetrahydroisoquinoline-3-carboxylic acid compounds
KYOWA HAKKO KOGYO KK3 citations57