Inventor · disambiguated record
Masahiro Doi
Also filed as: DOI MASAHIRO
30 granted patents·13 pending applications·100 citations·filing 1986–2025
94Inventor score
Files withHITACHI ASTEMO LTD11DOI MASAHIRO5HITACHI AUTOMOTIVE SYSTEMS LTD4TOSHIBA KK4TOSHIBA LIGHTING & TECHNOLOGY4
Top patents by PatentIndex Score
43 records- 0194US8565921B2Biped walking robotDOI MASAHIRO·Filed 2012·Granted Oct 22, 2013·42 cites·10 claims
- 0282US11008988B2Electronic control device and abnormality/normality determination method of electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted May 18, 2021·2 cites·13 claims
- 0382US8855542B2Fuser, image forming apparatus, and image forming methodSONE TOSHIHIRO·Filed 2012·Granted Oct 7, 2014·3 cites·18 claims
- 0479US8855540B2Fuser for equalizing temperature of heat generating sectionKIKUCHI KAZUHIKO·Filed 2012·Granted Oct 7, 2014·2 cites·13 claims
- 0578US9327399B2Movement control method for mobile robotTOYOTA MOTOR CO LTD·Filed 2015·Granted May 3, 2016·4 cites·8 claims
- 0675US4907902AMultiprinting thermal transfer ink ribbon cassetteTOKYO ELECTRIC CO LTD·Filed 1988·Granted Mar 13, 1990·24 cites·8 claims
- 0772US11726794B2Preventing supply of power to a microcomputer of an electronic control device until capacitors are dischargedHITACHI ASTEMO LTD·Filed 2020·Granted Aug 15, 2023·1 cites·5 claims
- 0869US12384051B2RobotTOYOTA MOTOR CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·4 claims
- 0964US7663332B2Walking robot by using passive changes in joint angles and control method thereofTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 16, 2010·7 cites·2 claims
- 1063US9158247B2Fuser for equalizing temperature of heat generating sectionTOSHIBA KK·Filed 2014·Granted Oct 13, 2015·0 cites·9 claims
- 1163US8855539B2Induction heating type fuser and image forming apparatusMITA KATSUTOSHI·Filed 2012·Granted Oct 7, 2014·1 cites·12 claims
- 1262US8652074B2Walking assist deviceDOI MASAHIRO·Filed 2011·Granted Feb 18, 2014·1 cites·2 claims
- 1357US11459996B2Electronic control unitHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Oct 4, 2022·0 cites·15 claims
- 1457US4711443ASheet supply deviceTOKYO ELECTRIC CO LTD·Filed 1986·Granted Dec 8, 1987·12 cites·11 claims
- 1557US2025178412A1Vehicle Heater and Vehicle Heating DeviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 2025·Application pending·0 cites
- 1656US12346045B2Heater and image forming apparatusTOSHIBA LIGHTING & TECHNOLOGY·Filed 2023·Granted Jul 1, 2025·0 cites·19 claims
- 1756US2025102978A1Heater and image forming deviceTOSHIBA LIGHTING & TECHNOLOGY·Filed 2024·Application pending·0 cites
- 1855US12210304B2Heater and image forming apparatusTOSHIBA LIGHTING & TECHNOLOGY·Filed 2023·Granted Jan 28, 2025·0 cites·15 claims
- 1954US2025306933A1Simulation apparatus, simulation method, and non-transitory computer readable mediumRENESAS ELECTRONICS CORP·Filed 2025·Application pending·0 cites
- 2053US12164352B2Electronic control device and method for diagnosing electronic control deviceHITACHI ASTEMO LTD·Filed 2021·Granted Dec 10, 2024·0 cites·15 claims
- 2152US11635472B2Load driving deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Apr 25, 2023·0 cites·13 claims
- 2251US8733207B2Method of driving joint deviceDOI MASAHIRO·Filed 2011·Granted May 27, 2014·1 cites·3 claims
- 2348US12316209B2Method and system for diagnosing abnormality of power device drive in inverter deviceHITACHI ASTEMO LTD·Filed 2021·Granted May 27, 2025·0 cites·4 claims
- 2448US12080112B2Electronic control device and diagnosis method of electronic control deviceHITACHI ASTEMO LTD·Filed 2020·Granted Sep 3, 2024·0 cites·12 claims
- 2548US2024258901A1Gate drive circuit and power conversion deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 2647US12351048B2Battery charging control device for vehicleMAZDA MOTOR·Filed 2022·Granted Jul 8, 2025·0 cites·14 claims
- 2745US12093066B2Electronic control deviceHITACHI ASTEMO LTD·Filed 2019·Granted Sep 17, 2024·0 cites·14 claims
- 2844US2025070642A1Drive circuit and method for controlling drive circuitHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 2943US12341420B2Electronic control device for power conversion, and power supply ICHITACHI ASTEMO LTD·Filed 2020·Granted Jun 24, 2025·0 cites·14 claims
- 3043US10833688B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Nov 10, 2020·0 cites·13 claims
- 3141US12319210B2Electronic control deviceHITACHI ASTEMO LTD·Filed 2020·Granted Jun 3, 2025·0 cites·9 claims
- 3241US8135308B2Detachable transfer unit used for image forming apparatus and operation method of the transfer unitDOI MASAHIRO·Filed 2008·Granted Mar 13, 2012·0 cites·14 claims
- 3340US9190259B2Discharge lamp and discharge lamp apparatusDOI MASAHIRO·Filed 2011·Granted Nov 17, 2015·0 cites·5 claims
- 3440US2009060603A1Image forming apparatus and image forming methodTOSHIBA KK·Filed 2008·Application pending·0 cites
- 3540US2009074433A1Image forming apparatusTOSHIBA KK·Filed 2008·Application pending·0 cites
- 3639US8242678B2Automotive discharge lampITOU RYO·Filed 2008·Granted Aug 14, 2012·0 cites·5 claims
- 3739US2012069114A1Image forming apparatus and image forming methodKANEKO YOSHIAKI·Filed 2011·Application pending·0 cites
- 3839US2012068401A1Holding device of recording medium, image forming apparatus, and conveying method of recording mediumKONDO HIROFUMI·Filed 2011·Application pending·0 cites
- 3938US8436536B2Vehicle discharge lamp, vehicle discharge lamp device, lighting circuit combined type vehicle discharge lamp device, and lighting circuitDEGUCHI MAKOTO·Filed 2010·Granted May 7, 2013·0 cites·12 claims
- 4037US2012069113A1Image forming apparatus, medium processing apparatus, and image forming methodKANEKO YOSHIAKI·Filed 2011·Application pending·0 cites
- 4136US2025330153A1Electronic control unit and gate driving method of power semiconductor elementHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 4236US2011141180A1Image forming apparatus and method of inkjet having humidity adjustment mechanismTOSHIBA KK·Filed 2010·Application pending·0 cites
- 4336US2025226815A1Drive circuit and control method for drive circuitHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →