Inventor · disambiguated record
Yuhei Yamaguchi
Also filed as: YAMAGUCHI YUHEI
55 granted patents·12 pending applications·105 citations·filing 2010–2024
97Inventor score
Files withROHM CO LTD35TOYOTA MOTOR CO LTD24NIDEC CORP6CANON MEDICAL DIAGNOSTICS CORP1YAMAGUCHI YUHEI1
Top patents by PatentIndex Score
67 records- 0194US10491099B2Switching regulatorROHM CO LTD·Filed 2016·Granted Nov 26, 2019·9 cites·22 claims
- 0292US12040709B2Switching power supply deviceROHM CO LTD·Filed 2020·Granted Jul 16, 2024·3 cites·17 claims
- 0391US11376471B2Balance training apparatus and control program of balance training apparatusTOYOTA MOTOR CO LTD·Filed 2020·Granted Jul 5, 2022·4 cites·7 claims
- 0491US11209851B2Linear power supply circuitROHM CO LTD·Filed 2020·Granted Dec 28, 2021·2 cites·10 claims
- 0591US10892681B2DC-DC converter operable to perform current-mode control output feedback controlROHM CO LTD·Filed 2018·Granted Jan 12, 2021·8 cites·4 claims
- 0691US10589636B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2018·Granted Mar 17, 2020·5 cites·14 claims
- 0790US11588367B2Motor and electrical productNIDEC CORP·Filed 2021·Granted Feb 21, 2023·2 cites·10 claims
- 0890US11467581B2Autonomous moving body for moving between floors using an elevator, control program of autonomous moving body, method of controlling autonomous moving body, and system server for controlling autonomous moving body from remote placeTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 11, 2022·2 cites·12 claims
- 0990US9601958B2Stator portion and motorNIDEC CORP·Filed 2013·Granted Mar 21, 2017·10 cites·10 claims
- 1089US11899486B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2022·Granted Feb 13, 2024·1 cites·15 claims
- 1188US11196343B2DC-DC converterROHM CO LTD·Filed 2020·Granted Dec 7, 2021·2 cites·11 claims
- 1288US9038212B2Transfer assistance device and operation method thereforYAMAGUCHI YUHEI·Filed 2010·Granted May 26, 2015·32 cites·10 claims
- 1387US2025121703A1Current mode control type switching power supply deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 1484US10923981B2MotorNIDEC CORP·Filed 2017·Granted Feb 16, 2021·2 cites·12 claims
- 1582US12481303B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2024·Granted Nov 25, 2025·0 cites·11 claims
- 1682US11550332B2Autonomous moving apparatus control system, autonomous moving apparatus control method, and a non-transitory computer readable mediumTOYOTA MOTOR CO LTD·Filed 2020·Granted Jan 10, 2023·1 cites·12 claims
- 1782US11398771B2Switching regulator control circuit enabling fault protection operation, current-mode-control switching power supply device, and vehicleROHM CO LTD·Filed 2019·Granted Jul 26, 2022·2 cites·22 claims
- 1881US11656621B2Conveyance control system, non-transitory computer readable medium storing conveyance control program, and conveyance control methodTOYOTA MOTOR CO LTD·Filed 2020·Granted May 23, 2023·1 cites·10 claims
- 1981US11285819B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2020·Granted Mar 29, 2022·1 cites·14 claims
- 2079US11657634B2Control system, control method, and programTOYOTA MOTOR CO LTD·Filed 2020·Granted May 23, 2023·1 cites·8 claims
- 2179US10908626B2Linear power supply circuitROHM CO LTD·Filed 2019·Granted Feb 2, 2021·2 cites·11 claims
- 2279US9925879B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2015·Granted Mar 27, 2018·2 cites·12 claims
- 2378US11068003B2Differential amplifierROHM CO LTD·Filed 2019·Granted Jul 20, 2021·3 cites·13 claims
- 2477US10355589B2Switching regulatorROHM CO LTD·Filed 2016·Granted Jul 16, 2019·3 cites·30 claims
- 2576US12034364B2Switching regulator provided with a fault protectorROHM CO LTD·Filed 2022·Granted Jul 9, 2024·0 cites·20 claims
- 2675US2023406244A1Linear Power Supply CircuitROHM CO LTD·Filed 2023·Application pending·0 cites
- 2774US12214676B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2021·Granted Feb 4, 2025·0 cites·19 claims
- 2873US11848611B2Switching power supply deviceROHM CO LTD·Filed 2022·Granted Dec 19, 2023·0 cites·8 claims
- 2973US11567521B2Linear power supply circuitROHM CO LTD·Filed 2021·Granted Jan 31, 2023·0 cites·9 claims
- 3072US11550349B2Linear power supply circuitROHM CO LTD·Filed 2019·Granted Jan 10, 2023·2 cites·6 claims
- 3172US11336146B2MotorNIDEC CORP·Filed 2020·Granted May 17, 2022·0 cites·11 claims
- 3272US9182769B2Power supply device, and vehicle-mounted apparatus and vehicle using sameROHM CO LTD·Filed 2013·Granted Nov 10, 2015·3 cites·11 claims
- 3371US11772586B2Linear power supply circuitROHM CO LTD·Filed 2022·Granted Oct 3, 2023·0 cites·12 claims
- 3469US12230462B2Pulse control deviceROHM CO LTD·Filed 2022·Granted Feb 18, 2025·0 cites·7 claims
- 3568US11916454B2Stator and motorNIDEC CORP·Filed 2022·Granted Feb 27, 2024·0 cites·16 claims
- 3667US12036004B2Physiological state index calculation system, physiological state index calculation method, and non-transitory computer readable mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted Jul 16, 2024·0 cites·11 claims
- 3767US11381168B2Switching power supply deviceROHM CO LTD·Filed 2020·Granted Jul 5, 2022·0 cites·8 claims
- 3866US2025204864A1Physiological state estimation system, physiological state estimation method, and non-transitory computer readable mediumTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3966US2025213195A1Brain wave detection system, brain wave detection method and non-transitory storage medium storing noise reduction processing programTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4066US2025213425A1Physiological state control system, physiological state control method, and non-transitory computer readable mediumTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4165US11881747B2MotorNIDEC CORP·Filed 2019·Granted Jan 23, 2024·0 cites·15 claims
- 4265US11822314B2Conveyance control system, conveyance control program, and conveyance control methodTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 21, 2023·0 cites·8 claims
- 4365US11815883B2Conveyance system, conveyance method, and programTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 14, 2023·0 cites·7 claims
- 4461US10218269B2Switching regulator and integrated-circuit packageROHM CO LTD·Filed 2016·Granted Feb 26, 2019·1 cites·42 claims
- 4560US11338747B2Linear power supply circuitROHM CO LTD·Filed 2019·Granted May 24, 2022·0 cites·17 claims
- 4659US11097623B2Current mode control type switching power supply deviceROHM CO LTD·Filed 2018·Granted Aug 24, 2021·0 cites·15 claims
- 4759US2024269839A1Power assist system and storage mediumTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 4857US9541928B2Power supply device, and vehicle-mounted apparatus and vehicle using sameROHM CO LTD·Filed 2013·Granted Jan 10, 2017·1 cites·11 claims
- 4956US12290364B2Mental and physical condition estimation system, mental and physical condition estimation method, and storage mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted May 6, 2025·0 cites·6 claims
- 5055US11607812B2Conveyance control system, conveyance control program, and conveyance control methodTOYOTA MOTOR CO LTD·Filed 2020·Granted Mar 21, 2023·0 cites·14 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →