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Hiromu TAKUBO

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  • Hino-shi, Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Driving apparatus
    • Patent number 12,212,224
    • Issue date Jan 28, 2025
    • Fuji Electric Co., Ltd.
    • Ryoga Kiguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Short-circuit detector and power converter
    • Patent number 11,955,791
    • Issue date Apr 9, 2024
    • Fuji Electric Co., Ltd.
    • Natsuko Takeuchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3-level power conversion circuit including serially-connected switc...
    • Patent number 10,707,776
    • Issue date Jul 7, 2020
    • Fuji Electric Co., Ltd.
    • Kansuke Fujii
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply device
    • Patent number 10,312,727
    • Issue date Jun 4, 2019
    • Fuji Electric Co., Ltd.
    • Hiroyuki Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,123,443
    • Issue date Nov 6, 2018
    • Fuji Electric Co., Ltd.
    • Hideyo Nakamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion device
    • Patent number 10,003,273
    • Issue date Jun 19, 2018
    • Fuji Electric Co., Ltd.
    • Hiromu Takubo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gate driving circuit and method for driving semiconductor device
    • Patent number 9,543,928
    • Issue date Jan 10, 2017
    • Fuji Electric Co., Ltd.
    • Keisuke Yamashiro
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power converter that delays state changes of on/off pulses and cont...
    • Patent number 9,520,807
    • Issue date Dec 13, 2016
    • Fuji Electric Co., Ltd.
    • Hiromu Takubo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power semiconductor module
    • Patent number 7,719,092
    • Issue date May 18, 2010
    • Fuji Electric Device Technology Co., Ltd.
    • Hiromu Takubo
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor power module
    • Patent number 7,425,757
    • Issue date Sep 16, 2008
    • Fuji Electric Device Technology Co., Ltd.
    • Hiromu Takubo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snubber circuit of power converter
    • Patent number 5,077,651
    • Issue date Dec 31, 1991
    • Fuji Electric Co., Ltd.
    • Shinichi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Snubber circuit for power conversion semiconductor elements and ass...
    • Patent number 5,055,990
    • Issue date Oct 8, 1991
    • Fuji Electric Co., Ltd.
    • Hiroshi Miki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    DRIVING DEVICE AND POWER CONVERTER
    • Publication number 20240356430
    • Publication date Oct 24, 2024
    • Fuji Electric Co., Ltd.
    • Ryoga KIGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVE DEVICE, DRIVE METHOD, AND POWER CONVERSION DEVICE
    • Publication number 20230130625
    • Publication date Apr 27, 2023
    • Fuji Electric Co., Ltd.
    • Hiromu TAKUBO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    WIRING BOARD AND POWER CONVERSION APPARATUS
    • Publication number 20230079140
    • Publication date Mar 16, 2023
    • Fuji Electric Co., Ltd.
    • Ryoga KIGUCHI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRIVING APPARATUS
    • Publication number 20230053929
    • Publication date Feb 23, 2023
    • Fuji Electric Co., Ltd.
    • Ryoga KIGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DRIVING APPARATUS
    • Publication number 20220209645
    • Publication date Jun 30, 2022
    • Fuji Electric Co., Ltd.
    • Ryoga KIGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SHORT-CIRCUIT DETECTOR AND POWER CONVERTER
    • Publication number 20220190590
    • Publication date Jun 16, 2022
    • Fuji Electric Co., Ltd.
    • Natsuko TAKEUCHI
    • G01 - MEASURING TESTING
  • Information Patent Application

    POWER SUPPLY DEVICE
    • Publication number 20170244275
    • Publication date Aug 24, 2017
    • Fuji Electric Co., Ltd.
    • Hiroyuki KOBAYASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    3-LEVEL POWER CONVERSION CIRCUIT
    • Publication number 20170187304
    • Publication date Jun 29, 2017
    • Fuji Electric Co., Ltd.
    • Kansuke FUJII
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160192495
    • Publication date Jun 30, 2016
    • Fuji Electric Co., Ltd.
    • Hideyo NAKAMURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE
    • Publication number 20160036342
    • Publication date Feb 4, 2016
    • FUJI ELECTRIC CO., LTD.
    • Hiromu TAKUBO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERTER AND CONTROL METHOD THEREOF
    • Publication number 20130155740
    • Publication date Jun 20, 2013
    • Fuji Electric Co., Ltd.
    • Hiromu TAKUBO
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    GATE DRIVING CIRCUIT AND METHOD FOR DRIVING SEMICONDUCTOR DEVICE
    • Publication number 20090058499
    • Publication date Mar 5, 2009
    • Fuji Electric Device Technology Co., LTD.
    • Keisuke YAMASHIRO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER SEMICONDUCTOR MODULE
    • Publication number 20060284211
    • Publication date Dec 21, 2006
    • Fuji Electric Device Technology Co., LTD.
    • Hiromu TAKUBO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor power module
    • Publication number 20050156251
    • Publication date Jul 21, 2005
    • Hiromu Takubo
    • H01 - BASIC ELECTRIC ELEMENTS