Inventor
IIMURA YOICHI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IIMURA YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EISAI CO LTD
9 patentsUS6737425B1May 18, 2004
N,N-substituted cyclic amine derivatives
EISAI CO LTD31 citations91
US6677330B1Jan 13, 2004
Fluorides of 4-substituted piperidine derivatives
EISAI CO LTD26 citations91
US6252081B1Jun 26, 2001
Process for production of donepezil derivative
EISAI CO LTD41 citations91
US6906072B1Jun 14, 2005
Piperazine compound and pharmaceutical composition containing the compound
EISAI CO LTD20 citations88
US6706741B2Mar 16, 2004
Acetylcholinesterase inhibitors containing 1-benzyl-pyridinium salts
EISAI CO LTD13 citations83
US6277866B1Aug 21, 2001
1-benzyl-4[(5,6-dimethoxy-2-fluoro-1-indanon)-2-yl]methylpiperidine
EISAI CO LTD17 citations83
US7091218B1Aug 15, 2006
4-substituted piperidine compound
EISAI CO LTD8 citations73
US6906083B2Jun 14, 2005
4-substituted piperidine compound
EISAI CO LTD1 citations51
US6667412B1Dec 23, 2003
Nitrile compound
EISAI CO LTD0 citations41