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Toshiaki Seima

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  • Yonago, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit board, motor unit, and fan
    • Patent number 11,336,155
    • Issue date May 17, 2022
    • MINEBEA MITSUMI INC.
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Circuit board, motor unit, and fan
    • Patent number 10,910,925
    • Issue date Feb 2, 2021
    • MINEBEA MITSUMI INC.
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Impeller and fan including the impeller
    • Patent number 10,458,423
    • Issue date Oct 29, 2019
    • MINEBEA MITSUMI INC.
    • Naoya Murakami
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Motor driving apparatus and motor using the same
    • Patent number 6,873,125
    • Issue date Mar 29, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brushless-motor driver in PWM mode
    • Patent number 6,528,968
    • Issue date Mar 4, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Control device for a brushless motor
    • Patent number 6,020,715
    • Issue date Feb 1, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    System for driving a brushless motor
    • Patent number 4,958,948
    • Issue date Sep 25, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    CIRCUIT BOARD, MOTOR UNIT, AND FAN
    • Publication number 20200288565
    • Publication date Sep 10, 2020
    • MINEBEA MITSUMI INC.
    • Toshiaki SEIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CIRCUIT BOARD, MOTOR UNIT, AND FAN
    • Publication number 20190363616
    • Publication date Nov 28, 2019
    • MINEBEA MITSUMI INC.
    • Toshiaki SEIMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    FAN APPARATUS
    • Publication number 20180094634
    • Publication date Apr 5, 2018
    • MINEBEA MITSUMI INC.
    • Haruomi MOROHASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER AND FAN INCLUDING THE IMPELLER
    • Publication number 20170350409
    • Publication date Dec 7, 2017
    • MINEBEA MITSUMI INC.
    • Naoya MURAKAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor driving apparatus and motor using the same
    • Publication number 20040012353
    • Publication date Jan 22, 2004
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Brushless-motor driver in PWM mode
    • Publication number 20020158600
    • Publication date Oct 31, 2002
    • Toshiaki Seima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER