Inventor
YONAGA MASAHIRO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “YONAGA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EISAI CO LTD
11 patentsUS4921863AMay 1, 1990
Cyclic amine derivatives
EISAI CO LTD87 citations95
US5849912ADec 15, 1998
Biphenyl derivatives
EISAI CO LTD31 citations92
US5196439AMar 23, 1993
Piperidine compounds useful to treat cerebrovascular diseases
EISAI CO LTD26 citations91
US5292735AMar 8, 1994
Cyclic amide derivatives
EISAI CO LTD11 citations81
US6281214B1Aug 28, 2001
Biphenyl derivatives
EISAI CO LTD7 citations73
US5504088AApr 2, 1996
2H-3,4-tetrahydroquinazoline-2-one and 2H-3,4-tetrahydroquinalozine-2,4-dione derivatives, pharmaceutical compositions and methods of treatment
EISAI CO LTD3 citations73
US5523307AJun 4, 1996
Cyclic amine and pharmacological composition
EISAI CO LTD9 citations72
US5620976AApr 15, 1997
Benzoxazine derivatives
EISAI CO LTD1 citations62
US5919778AJul 6, 1999
Cyclic amide derivatives
EISAI CO LTD0 citations51
US5654308AAug 5, 1997
Bicyclic amide derivatives, compositions and methods of treatment
EISAI CO LTD0 citations51
US5521182AMay 28, 1996
1,2,3,4 tetrahydropteridinone cyclic amide derivatives
EISAI CO LTD0 citations51