Inventor
MIYASHITA KUNIO
JP70 patents
⚠️ This page may combine multiple inventors who share the name “MIYASHITA KUNIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
43 patentsUS5239490AAug 24, 1993
Device for detecting rotation of rotary shaft and rotation controlling apparatus using the same
HITACHI LTD126 citations98
US5243732ASep 14, 1993
Vacuum cleaner with fuzzy logic control
HITACHI LTD142 citations97
US5231344AJul 27, 1993
Control apparatus for electric generator
HITACHI LTD75 citations96
US4945268AJul 31, 1990
Permanent magnet type linear pulse motor
HITACHI LTD88 citations96
US4880474ANov 14, 1989
Method and apparatus for operating vacuum cleaner
HITACHI LTD125 citations96
US4874053AOct 17, 1989
Torque detecting apparatus
HITACHI LTD118 citations96
US4818939AApr 4, 1989
Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements
HITACHI LTD62 citations96
US4672253AJun 9, 1987
Permanent magnet electrical machine with reduced cogging
HITACHI LTD150 citations96
US4599561AJul 8, 1986
Device for detecting the relative and absolute position of a moving body
HITACHI LTD73 citations96
US4558265ADec 10, 1985
Method and apparatus for position control of an electric motor
HITACHI LTD93 citations96
US4511827AApr 16, 1985
Apparatus for driving a polyphase brushless motor with a suppressed torque ripple
HITACHI LTD60 citations96
US4473786ASep 25, 1984
Method for controlling angular position and apparatus therefor
HITACHI LTD59 citations96
US4403161ASep 6, 1983
Permanent magnet rotor
HITACHI LTD93 citations96
US4857786AAug 15, 1989
Structure of stepping motor and method of driving the stepping motor
HITACHI LTD79 citations95
US4144469AMar 13, 1979
Stress protection for permanent magnet type synchronous motor
HITACHI LTD56 citations95
US5038065AAug 6, 1991
Permanent magnet reversible synchronous motor
HITACHI LTD93 citations94
US4855652AAug 8, 1989
Speed control apparatus for a brushless direct current motor
HITACHI LTD93 citations93
US5294872AMar 15, 1994
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US5166585ANov 24, 1992
Motor control apparatus for an electric vacuum cleaner
HITACHI LTD28 citations92
US5023924AJun 11, 1991
Speed control apparatus for movable equipment
HITACHI LTD41 citations92
US5019776AMay 28, 1991
Magnetic position detection apparatus having two magnetic recording medium tracks with magnetoresistors arranged in a bridge circuit so as to eliminate even order harmonic distortion
HITACHI LTD54 citations92
US5019773AMay 28, 1991
Method and apparatus for detecting positions and/or speed of a moving body using two phase signals
HITACHI LTD33 citations92
US4983895AJan 8, 1991
Method and apparatus for operating vacuum cleaner
HITACHI LTD25 citations92
US4958406ASep 25, 1990
Method and apparatus for operating vacuum cleaner
HITACHI LTD41 citations92
US4904937AFeb 27, 1990
Apparatus for magnetically detecting positions with minimum length magnetic information units recorded on a plurality of magnetic tracks
HITACHI LTD24 citations92
US4786870ANov 22, 1988
Magnetic sensor for magnetically detecting the position of a movable body
HITACHI LTD25 citations92
US4678971AJul 7, 1987
Linear motor and control method thereof
HITACHI LTD38 citations92
US4594548AJun 10, 1986
Multi phase magnetic sensor apparatus for detecting the position of moving member
HITACHI LTD32 citations92
US4454438AJun 12, 1984
Synchronized induction motor
HITACHI LTD82 citations92
US4418372ANov 29, 1983
Magnetic rotary encoder
HITACHI LTD36 citations92
US4336475AJun 22, 1982
Slotless brushless motor
HITACHI LTD52 citations92
US5381584AJan 17, 1995
Vacuum cleaner
HITACHI LTD27 citations91
US4766376AAug 23, 1988
Magnetic position detector for detecting an absolute position of a movable member
HITACHI LTD26 citations91
US4677377AJun 30, 1987
Position-detecting sensor for detecting position of a moving object utilizing magnetism
HITACHI LTD33 citations91
US4628259ADec 9, 1986
Magneto resistive sensor for detecting movement of a rotating body
HITACHI LTD27 citations91
US4309635AJan 5, 1982
Squirrel-cage rotor having end rings of double structure
HITACHI LTD65 citations91
US4980617ADec 25, 1990
Speed control apparatus of movable equipment
HITACHI LTD34 citations90
US4918346AApr 17, 1990
Low ripple-torque permanent magnet brushless motor
HITACHI LTD23 citations90
US3968390AJul 6, 1976
Synchronous motor
HITACHI LTD33 citations88
US4250424AFeb 10, 1981
Rotor of synchronous machines
HITACHI LTD30 citations87
US4914361AApr 3, 1990
Method and apparatus for controlling the speed of moving body
HITACHI LTD19 citations82
US4713613ADec 15, 1987
Device for magnetically detecting displacement of non-magnetic movable member
HITACHI LTD20 citations82
US4580084AApr 1, 1986
Method and system for controlling speed of electric motor
HITACHI LTD25 citations81
HARMONIC DRIVE SYSTEMS
4 patentsUS7498914B2Mar 3, 2009
Method for magnetizing ring magnet and magnetic encoder
HARMONIC DRIVE SYSTEMS48 citations91
US6817267B2Nov 16, 2004
Actuator having a wave gear reduction drive
HARMONIC DRIVE SYSTEMS31 citations90
US7023203B2Apr 4, 2006
Absolute magnetic encoder
HARMONIC DRIVE SYSTEMS20 citations83
US7375487B2May 20, 2008
Geared motor
HARMONIC DRIVE SYSTEMS16 citations82
TAKAHASHI TADASHI
1 patentKYORIN SEIYAKU KK
1 patentMIYASHITA KUNIO
1 patentShowing the top 50 of 70 patents by PatentIndex Score.