Inventor
YUMURA TAKASHI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “YUMURA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
42 patentsUS5463202AOct 31, 1995
Laser machining apparatus and method
MITSUBISHI ELECTRIC CORP164 citations98
US6554107B2Apr 29, 2003
Elevator system
MITSUBISHI ELECTRIC CORP67 citations96
US5079660AJan 7, 1992
Magnetic head suspension assembly for reducing vibration effects
MITSUBISHI ELECTRIC CORP64 citations94
US5628385AMay 13, 1997
Elevator overspeed protection apparatus
MITSUBISHI ELECTRIC CORP38 citations93
US7540358B2Jun 2, 2009
Elevator apparatus including main and auxiliary sensors
MITSUBISHI ELECTRIC CORP24 citations92
US7228943B2Jun 12, 2007
Elevator apparatus with position correction for overspeed detection
MITSUBISHI ELECTRIC CORP46 citations92
US6832678B2Dec 21, 2004
Escalator with high speed inclined section
MITSUBISHI ELECTRIC CORP30 citations92
US6474449B1Nov 5, 2002
Elevator and guide device for elevator
MITSUBISHI ELECTRIC CORP29 citations92
US6345696B1Feb 12, 2002
Elevator speed governor
MITSUBISHI ELECTRIC CORP20 citations92
US6227334B1May 8, 2001
Elevator governor checking and adjusting method
MITSUBISHI ELECTRIC CORP25 citations92
US6003636ADec 21, 1999
Safety apparatus for elevator
MITSUBISHI ELECTRIC CORP26 citations92
US5099352AMar 24, 1992
Reflector oscillating apparatus
MITSUBISHI ELECTRIC CORP35 citations92
US4740946AApr 26, 1988
Data converter pickup carriage assembly
MITSUBISHI ELECTRIC CORP49 citations90
US7992687B2Aug 9, 2011
Device for elevator door control based on a detected object
MITSUBISHI ELECTRIC CORP15 citations84
US7007774B2Mar 7, 2006
Active horizontal vibration reducing device for elevator
MITSUBISHI ELECTRIC CORP15 citations84
US6333865B1Dec 25, 2001
Power supplying device for plural car elevator
MITSUBISHI ELECTRIC CORP18 citations84
US7950499B2May 31, 2011
Control apparatus for an elevator responsive to car-mounted position detectors
MITSUBISHI ELECTRIC CORP14 citations83
US7918320B2Apr 5, 2011
Emergency stop system for elevator
MITSUBISHI ELECTRIC CORP18 citations83
US7784590B2Aug 31, 2010
Elevator operation control device
MITSUBISHI ELECTRIC CORP11 citations82
US5130873AJul 14, 1992
Head positioning apparatus for disc unit
MITSUBISHI ELECTRIC CORP10 citations74
US4961118AOct 2, 1990
Document scanner driven by electromagnetic actuators
MITSUBISHI ELECTRIC CORP10 citations74
US4910486AMar 20, 1990
Electromagnetic drive actuator
MITSUBISHI ELECTRIC CORP14 citations74
US4862441AAug 29, 1989
Carriage assembly
MITSUBISHI ELECTRIC CORP14 citations74
US6796416B2Sep 28, 2004
High-speed escalator for slope
MITSUBISHI ELECTRIC CORP7 citations73
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
US6591945B1Jul 15, 2003
Self propelled elevator
MITSUBISHI ELECTRIC CORP11 citations73
US5339208AAug 16, 1994
Assembly for supporting a magnetic head to float relative to a magnetic disk
MITSUBISHI ELECTRIC CORP16 citations73
US4823219AApr 18, 1989
Carriage recording head sandwiched by electromagnetic coil sections
MITSUBISHI ELECTRIC CORP13 citations72
US6591959B1Jul 15, 2003
Escalator with high speed inclinded section
MITSUBISHI ELECTRIC CORP9 citations71
US6588573B1Jul 8, 2003
Escalator with high speed inclined section
MITSUBISHI ELECTRIC CORP12 citations71
US7287626B2Oct 30, 2007
Buffer device for elevator
MITSUBISHI ELECTRIC CORP8 citations68
US7775326B2Aug 17, 2010
Elevator apparatus
MITSUBISHI ELECTRIC CORP5 citations63
US5105419AApr 14, 1992
Carriage assembly
MITSUBISHI ELECTRIC CORP5 citations63
US5027340AJun 25, 1991
Object lens head assembly
MITSUBISHI ELECTRIC CORP3 citations63
US7703578B2Apr 27, 2010
Elevator apparatus
MITSUBISHI ELECTRIC CORP6 citations62
US7124875B2Oct 24, 2006
Escalator with high speed inclined section
MITSUBISHI ELECTRIC CORP2 citations62
US4819109AApr 4, 1989
Slidable carriage mount for disc memory apparatus
MITSUBISHI ELECTRIC CORP3 citations62
US7823705B2Nov 2, 2010
Elevator apparatus control by measuring changes in a physical quantity other than temperature
MITSUBISHI ELECTRIC CORP3 citations61
US4819106AApr 4, 1989
Head positioning assembly for magnetic disc apparatus
MITSUBISHI ELECTRIC CORP3 citations61
US7104386B2Sep 12, 2006
Sloped part high-speed escalator
MITSUBISHI ELECTRIC CORP5 citations60
US6497380B2Dec 24, 2002
Drum winding apparatus
MITSUBISHI ELECTRIC CORP6 citations60