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Yuhei Yamaguchi

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  • Kyoto, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power supply device
    • Patent number 12,040,709
    • Issue date Jul 16, 2024
    • Rohm Co., Ltd.
    • Kosuke Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Switching regulator provided with a fault protector
    • Patent number 12,034,364
    • Issue date Jul 9, 2024
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Stator and motor
    • Patent number 11,916,454
    • Issue date Feb 27, 2024
    • Nidec Corporation
    • Tatsuro Kawamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current mode control type switching power supply device
    • Patent number 11,899,486
    • Issue date Feb 13, 2024
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor
    • Patent number 11,881,747
    • Issue date Jan 23, 2024
    • Nidec Corporation
    • Yuhei Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply device
    • Patent number 11,848,611
    • Issue date Dec 19, 2023
    • Rohm Co., Ltd.
    • Akihiro Kawano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 11,772,586
    • Issue date Oct 3, 2023
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor and electrical product
    • Patent number 11,588,367
    • Issue date Feb 21, 2023
    • Nidec Corporation
    • Quang Danh Ho
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 11,567,521
    • Issue date Jan 31, 2023
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 11,550,349
    • Issue date Jan 10, 2023
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pulse control device
    • Patent number 11,532,449
    • Issue date Dec 20, 2022
    • Rohm Co., Ltd.
    • Hiroto Oshita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching regulator control circuit enabling fault protection opera...
    • Patent number 11,398,771
    • Issue date Jul 26, 2022
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Switching power supply device
    • Patent number 11,381,168
    • Issue date Jul 5, 2022
    • Rohm Co., Ltd.
    • Akihiro Kawano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 11,338,747
    • Issue date May 24, 2022
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor
    • Patent number 11,336,146
    • Issue date May 17, 2022
    • Nidec Corporation
    • Yuhei Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current mode control type switching power supply device
    • Patent number 11,285,819
    • Issue date Mar 29, 2022
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 11,209,851
    • Issue date Dec 28, 2021
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    DC-DC converter
    • Patent number 11,196,343
    • Issue date Dec 7, 2021
    • Rohm Co., Ltd.
    • Shun Fukushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current mode control type switching power supply device
    • Patent number 11,097,623
    • Issue date Aug 24, 2021
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Differential amplifier
    • Patent number 11,068,003
    • Issue date Jul 20, 2021
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor
    • Patent number 10,923,981
    • Issue date Feb 16, 2021
    • Nidec Corporation
    • Yuhei Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Linear power supply circuit
    • Patent number 10,908,626
    • Issue date Feb 2, 2021
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    DC-DC converter operable to perform current-mode control output fee...
    • Patent number 10,892,681
    • Issue date Jan 12, 2021
    • Rohm Co., Ltd.
    • Shun Fukushima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driving circuit for output transistor
    • Patent number 10,778,213
    • Issue date Sep 15, 2020
    • Rohm Co., Ltd.
    • Tetsuo Tateishi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Current mode control type switching power supply device
    • Patent number 10,589,636
    • Issue date Mar 17, 2020
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Switching regulator
    • Patent number 10,491,099
    • Issue date Nov 26, 2019
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Switching regulator
    • Patent number 10,355,589
    • Issue date Jul 16, 2019
    • Rohm Co., Ltd.
    • Tetsuo Tateishi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching regulator
    • Patent number 10,298,130
    • Issue date May 21, 2019
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching regulator and integrated-circuit package
    • Patent number 10,218,269
    • Issue date Feb 26, 2019
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Current mode control type switching power supply device
    • Patent number 10,076,963
    • Issue date Sep 18, 2018
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE, SWITCHING CONTROL DEVICE, AND VEHICL...
    • Publication number 20240333157
    • Publication date Oct 3, 2024
    • Rohm Co., Ltd.
    • Kosuke Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICE
    • Publication number 20240152171
    • Publication date May 9, 2024
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Linear Power Supply Circuit
    • Publication number 20230406244
    • Publication date Dec 21, 2023
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE, SWITCH CONTROL DEVICE, VEHICLE-MOUNT...
    • Publication number 20230198397
    • Publication date Jun 22, 2023
    • Rohm Co., Ltd.
    • Shingo Hashiguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PULSE CONTROL DEVICE
    • Publication number 20230013839
    • Publication date Jan 19, 2023
    • Rohm Co., Ltd.
    • Hiroto OSHITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE
    • Publication number 20220321007
    • Publication date Oct 6, 2022
    • Rohm Co., Ltd.
    • Kosuke Sato
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING REGULATOR
    • Publication number 20220311323
    • Publication date Sep 29, 2022
    • Rohm Co., Ltd.
    • Yuhei YAMAGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING POWER SUPPLY DEVICE
    • Publication number 20220294349
    • Publication date Sep 15, 2022
    • Rohm Co., Ltd.
    • Akihiro KAWANO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    STATOR AND MOTOR
    • Publication number 20220271595
    • Publication date Aug 25, 2022
    • NIDEC CORPORATION
    • Tatsuro KAWAMOTO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Linear Power Supply Circuit
    • Publication number 20220242340
    • Publication date Aug 4, 2022
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICE
    • Publication number 20220176834
    • Publication date Jun 9, 2022
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LINEAR POWER SUPPLY CIRCUIT
    • Publication number 20220075404
    • Publication date Mar 10, 2022
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MOTOR
    • Publication number 20220037967
    • Publication date Feb 3, 2022
    • Yuhei YAMAGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LINEAR POWER SUPPLY CIRCUIT
    • Publication number 20210382510
    • Publication date Dec 9, 2021
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Linear Power Supply Circuit
    • Publication number 20210380053
    • Publication date Dec 9, 2021
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MOTOR AND ELECTRICAL PRODUCT
    • Publication number 20210376684
    • Publication date Dec 2, 2021
    • NIDEC CORPORATION
    • Quang DANH Ho
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICE
    • Publication number 20210339634
    • Publication date Nov 4, 2021
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Switching Power Supply Device
    • Publication number 20210119540
    • Publication date Apr 22, 2021
    • Rohm Co., Ltd.
    • Akihiro KAWANO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LINEAR POWER SUPPLY CIRCUIT
    • Publication number 20210116952
    • Publication date Apr 22, 2021
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MOTOR
    • Publication number 20210050760
    • Publication date Feb 18, 2021
    • NIDEC CORPORATION
    • Yuhei YAMAGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC CONVERTER
    • Publication number 20210036616
    • Publication date Feb 4, 2021
    • Rohm Co., Ltd.
    • Shun FUKUSHIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT MODE CONTROL TYPE SWITCHING POWER SUPPLY DEVICE
    • Publication number 20200238838
    • Publication date Jul 30, 2020
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LINEAR POWER SUPPLY CIRCUIT
    • Publication number 20200133324
    • Publication date Apr 30, 2020
    • Rohm Co., Ltd.
    • Takeshi Nagata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING REGULATOR
    • Publication number 20200136496
    • Publication date Apr 30, 2020
    • Rohm Co., Ltd.
    • Yuhei YAMAGUCHI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    DIFFERENTIAL AMPLIFIER
    • Publication number 20200133323
    • Publication date Apr 30, 2020
    • Rohm Co., Ltd.
    • Isao Takobe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    PULSE CONTROL DEVICE
    • Publication number 20200083009
    • Publication date Mar 12, 2020
    • Rohm Co., Ltd.
    • Hiroto OSHITA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR
    • Publication number 20190296601
    • Publication date Sep 26, 2019
    • NIDEC CORPORATION
    • Yuhei YAMAGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVING CIRCUIT FOR OUTPUT TRANSISTOR
    • Publication number 20190115914
    • Publication date Apr 18, 2019
    • ROHM CO., LTD.
    • Tetsuo TATEISHI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Current mode control type switching power supply device
    • Publication number 20190009678
    • Publication date Jan 10, 2019
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SWITCHING REGULATOR AND INTEGRATED-CIRCUIT PACKAGE
    • Publication number 20180358898
    • Publication date Dec 13, 2018
    • Rohm Co., Ltd.
    • Yuhei Yamaguchi
    • G05 - CONTROLLING REGULATING