Inventor
NISHIYAMA MASAYUKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “NISHIYAMA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIFCO INC
8 patentsUS7216402B2May 15, 2007
Door handle system
NIFCO INC31 citations91
US6604614B2Aug 12, 2003
Rotary damper and assist grip device
NIFCO INC34 citations91
US5211431AMay 18, 1993
Reciprocating device for movable member
NIFCO INC33 citations90
US6840356B2Jan 11, 2005
Rotary damper
NIFCO INC17 citations82
US7353923B2Apr 8, 2008
Damper device
NIFCO INC12 citations81
US7575108B2Aug 18, 2009
Damper
NIFCO INC2 citations61
US7207425B2Apr 24, 2007
Rotary damper
NIFCO INC5 citations61
USD489028SApr 27, 2004
Rotational damper
NIFCO INC5 citations61