Inventor
FUJITA TOSHIHIRO
JP62 patents
⚠️ This page may combine multiple inventors who share the name “FUJITA TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
23 patentsUS11091201B2Aug 17, 2021
Rotation detecting apparatus and electric power steering apparatus using the same
DENSO CORP7 citations84
US10328972B2Jun 25, 2019
Rotation detecting apparatus and electric power steering apparatus using the same
DENSO CORP10 citations84
US11639861B2May 2, 2023
Rotation detection device
DENSO CORP3 citations73
US11639192B2May 2, 2023
Detection unit
DENSO CORP2 citations73
US11465683B2Oct 11, 2022
Steering angle detection device
DENSO CORP2 citations73
US11453438B2Sep 27, 2022
Rotation detection device
DENSO CORP2 citations73
US10486735B2Nov 26, 2019
Rotation detecting apparatus
DENSO CORP4 citations73
US9573622B2Feb 21, 2017
Rotational angle detecting device and electric power steering device using the same
DENSO CORP6 citations73
US9196561B2Nov 24, 2015
Semiconductor device to be attached to heat radiation member
DENSO CORP4 citations73
US10981595B2Apr 20, 2021
Electric power steering apparatus
DENSO CORP2 citations72
US9123711B2Sep 1, 2015
Wiring member and semiconductor module having the same
DENSO CORP4 citations72
US11946773B2Apr 2, 2024
Motor rotation and position detection device and control unit
DENSO CORP2 citations69
US12325476B2Jun 10, 2025
Position detection device
DENSO CORP0 citations63
US12123715B2Oct 22, 2024
Magnet holder
DENSO CORP1 citations62
US10246127B2Apr 2, 2019
Rotational angle detecting device and electric power steering device using the same
DENSO CORP1 citations62
US12525891B2Jan 13, 2026
Electronic device
DENSO CORP0 citations52
US11904958B2Feb 20, 2024
Detection device, calculation device, control device, and electric power steering device using the same
DENSO CORP0 citations52
US11554809B2Jan 17, 2023
Steering angle detection device and electric power steering device using same
DENSO CORP0 citations52
US11529990B2Dec 20, 2022
Signal control apparatus and electric power steering apparatus using same
DENSO CORP0 citations52
US11459025B2Oct 4, 2022
Detection unit
DENSO CORP0 citations52
US11454519B2Sep 27, 2022
Rotation detection device
DENSO CORP0 citations52
US11420674B2Aug 23, 2022
Rotation detection device and electric power steering apparatus using the same
DENSO CORP0 citations52
US10252744B2Apr 9, 2019
System sharing battery with external device
DENSO CORP0 citations52
IDEC IZUMI CORP
8 patentsUS5977888ANov 2, 1999
Switching device of thin type and display device with switch
IDEC IZUMI CORP130 citations97
US6517213B1Feb 11, 2003
Indicator device and illumination device
IDEC IZUMI CORP114 citations95
US6118435ASep 12, 2000
Display unit with touch panel
IDEC IZUMI CORP556 citations95
US6437774B1Aug 20, 2002
Display and input device and display and input system
IDEC IZUMI CORP49 citations90
US6525667B1Feb 25, 2003
Operation indicator device and panel unit
IDEC IZUMI CORP26 citations85
US6842123B1Jan 11, 2005
Electromechanical switching device and emergency shut-off and communication system utilizing same
IDEC IZUMI CORP9 citations69
US6624417B1Sep 23, 2003
Apparatus and method for judging plastic
IDEC IZUMI CORP8 citations69
US6043504AMar 28, 2000
Apparatus and method for detecting transparent substances
IDEC IZUMI CORP7 citations67
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
7 patentsUS4677630AJun 30, 1987
Oscillation frequency stabilized semiconductor laser
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US4910738AMar 20, 1990
Short optical pulse generators using mode-locked semiconductor lasers oscillating in transverse magnetic modes
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations82
US5436751AJul 25, 1995
Analog optical transmission system and optical fiber amplifier
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US4899360AFeb 6, 1990
Semiconductor laser device having monolithically formed active and passive cavities on the same substrate
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US5453867ASep 26, 1995
Analog optical transmission system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US5341237AAug 23, 1994
Rare earth ion doped optical element
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations73
US5321708AJun 14, 1994
Optical fiber amplifier doped with dysprosium ion for the 1.3 μm wavelength band
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
FUJITA TOSHIHIRO
5 patentsUS8310121B2Nov 13, 2012
Electronic circuit-integrated motor drive and semiconductor module
FUJITA TOSHIHIRO34 citations91
US8781301B2Jul 15, 2014
Information processing apparatus, scene search method, and program
FUJITA TOSHIHIRO9 citations84
US8649159B2Feb 11, 2014
Semiconductor module device and driving apparatus having the same
FUJITA TOSHIHIRO13 citations82
US8471417B2Jun 25, 2013
Semiconductor module device and driving apparatus having the same
FUJITA TOSHIHIRO8 citations82
US8680726B2Mar 25, 2014
Semiconductor device and driving apparatus including semiconductor device
FUJITA TOSHIHIRO1 citations52
ADVANCED MICRO DEVICES INC
1 patentMATSUSHITA ELECTRIC INDUCTRIAL
1 patentIDEC IZUNI CORP
1 patent(unassigned)
1 patentSONY CORP
1 patentMASUZAWA TAKASHI
1 patentLINTEC CORP
1 patentShowing the top 50 of 62 patents by PatentIndex Score.