Inventor
MATSUNAGA TOSHIHIRO
JP34 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
22 patentsUS7936549B2May 3, 2011
State grasp device, and switching control device of power switching apparatus employing the state grasp device
MITSUBISHI ELECTRIC CORP15 citations83
US12163809B2Dec 10, 2024
Redundant resolver and electric power steering device equipped with redundant resolver
MITSUBISHI ELECTRIC CORP2 citations72
US9305725B2Apr 5, 2016
Switching apparatus
MITSUBISHI ELECTRIC CORP4 citations71
US10090126B2Oct 2, 2018
Opening and closing device
MITSUBISHI ELECTRIC CORP3 citations70
US12231015B2Feb 18, 2025
Rotating electrical machine
MITSUBISHI ELECTRIC CORP0 citations62
US12160142B2Dec 3, 2024
Rotating electrical machine with stator with annular shaped members between frame and stator core and having integrated control device for vehicles
MITSUBISHI ELECTRIC CORP0 citations61
US11641143B2May 2, 2023
Control device-integrated rotary electric machine
MITSUBISHI ELECTRIC CORP0 citations61
US11512977B2Nov 29, 2022
Redundant resolver and rotation angle detection device using same
MITSUBISHI ELECTRIC CORP0 citations60
US12546629B2Feb 10, 2026
Angle detection apparatus
MITSUBISHI ELECTRIC CORP0 citations52
US12503154B2Dec 23, 2025
Redundant resolver and electric power steering device mounted therewith
MITSUBISHI ELECTRIC CORP0 citations52
US12372380B2Jul 29, 2025
Resolver and electric power steering device
MITSUBISHI ELECTRIC CORP0 citations52
US12235331B2Feb 25, 2025
Abnormality detection apparatus for resolver
MITSUBISHI ELECTRIC CORP0 citations52
US12085418B2Sep 10, 2024
Abnormality detection apparatus for resolver
MITSUBISHI ELECTRIC CORP0 citations52
US11828591B2Nov 28, 2023
Angle detection apparatus
MITSUBISHI ELECTRIC CORP0 citations52
US11750134B2Sep 5, 2023
AC rotary machine apparatus
MITSUBISHI ELECTRIC CORP0 citations52
US12152914B2Nov 26, 2024
Multiple-system rotation sensor, and electric power steering device provided with multiple-system rotation sensor
MITSUBISHI ELECTRIC CORP0 citations51
US12068702B2Aug 20, 2024
Electric motor control device
MITSUBISHI ELECTRIC CORP0 citations51
US11342809B2May 24, 2022
Rotating electric machine
MITSUBISHI ELECTRIC CORP0 citations51
US12034334B2Jul 9, 2024
Redundancy resolver device and electric power steering device
MITSUBISHI ELECTRIC CORP0 citations50
US11936265B2Mar 19, 2024
Rotating electrical machine
MITSUBISHI ELECTRIC CORP0 citations50
US10347447B2Jul 9, 2019
Tank type vacuum circuit breaker
MITSUBISHI ELECTRIC CORP0 citations41
US10075036B2Sep 11, 2018
Rotor for rotary electric machine having ridge-shaped convex portions and concave portions to secure a press-fitted shaft
MITSUBISHI ELECTRIC CORP0 citations40
HITACHI LTD
7 patentsUS7151319B2Dec 19, 2006
Semiconductor device
HITACHI LTD57 citations96
US6631105B1Oct 7, 2003
Disk reproducing speed control method and a disk reproducing apparatus using this method
HITACHI LTD16 citations89
US6351440B1Feb 26, 2002
Disk reproducing speed control method and a disk reproducing apparatus using this method
HITACHI LTD27 citations89
US5077716ADec 31, 1991
Optical recording and reproducing system having an accurate high-speed optical head positioning apparatus
HITACHI LTD21 citations82
US5525547AJun 11, 1996
Method of fabricating a molded semiconductor device having blocking banks between leads
HITACHI LTD8 citations73
US5488595AJan 30, 1996
Optical information recording medium having a transitioning three bit access pit group and optical information recording/reproducing apparatus using the same
HITACHI LTD4 citations61
US6445658B1Sep 3, 2002
Disk reproducing speed control method and a disk reproducing apparatus using this method
HITACHI LTD4 citations59
MATSUNAGA TOSHIHIRO
3 patentsNAKANO MASATSUGU
2 patentsUS9172278B2Oct 27, 2015
Permanent magnet type rotary electric machine and electric power steering apparatus using the same
NAKANO MASATSUGU7 citations83
US9350204B2May 24, 2016
Permanent magnet rotating electrical machine and electric power steering apparatus having a stator core with supplemental grooves
NAKANO MASATSUGU0 citations41