Inventor
UTSUNOMIYA KENJI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “UTSUNOMIYA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
8 patentsUS6474449B1Nov 5, 2002
Elevator and guide device for elevator
MITSUBISHI ELECTRIC CORP29 citations92
US7007774B2Mar 7, 2006
Active horizontal vibration reducing device for elevator
MITSUBISHI ELECTRIC CORP15 citations84
US8011478B2Sep 6, 2011
Elevator vibration damping system having damping control
MITSUBISHI ELECTRIC CORP9 citations83
US7909141B2Mar 22, 2011
Elevator vibration damping system having damping control
MITSUBISHI ELECTRIC CORP15 citations83
US6786304B2Sep 7, 2004
Guide for elevator
MITSUBISHI ELECTRIC CORP10 citations73
US6763917B2Jul 20, 2004
Elevator vibration reduction apparatus including a dead band filter
MITSUBISHI ELECTRIC CORP9 citations73
US7828122B2Nov 9, 2010
Vibration damping device for an elevator
MITSUBISHI ELECTRIC CORP2 citations61
US7992688B2Aug 9, 2011
Door device for an elevator
MITSUBISHI ELECTRIC CORP0 citations40
UTSUNOMIYA KENJI
3 patentsUS8141685B2Mar 27, 2012
Elevator apparatus having vibration damping control
UTSUNOMIYA KENJI17 citations81
US9056749B2Jun 16, 2015
Control device of elevator door including obstruction detection using equivalent stiffness determination
UTSUNOMIYA KENJI5 citations70
US8973714B2Mar 10, 2015
Door engagement device for elevator
UTSUNOMIYA KENJI1 citations48