TREA

Ken Maruyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching control system and motor driving system
    • Patent number 7,777,437
    • Issue date Aug 17, 2010
    • Panasonic Corporation
    • Keisuke Kuroda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    PWM controlled motor drive
    • Patent number 6,969,963
    • Issue date Nov 29, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Hirofumi Sakai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    CELL STACK MANAGEMENT SYSTEM
    • Publication number 20230402865
    • Publication date Dec 14, 2023
    • NUVOTON TECHNOLOGY CORPORATION JAPAN
    • Tsutomu SAKAKIBARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    SOLENOID VALVE DRIVE CONTROL CIRCUIT, SOLENOID VALVE DRIVE DEVICE,...
    • Publication number 20200132012
    • Publication date Apr 30, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • Keisuke KURODA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Switching control system and motor driving system
    • Publication number 20090066375
    • Publication date Mar 12, 2009
    • Matsushita Electric Industrial Co., Ltd.
    • Keisuke Kuroda
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Motor driver
    • Publication number 20040245948
    • Publication date Dec 9, 2004
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Hirofumi Sakai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER