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Masahiro Yasohara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Motor devices, and motor driving system and integrated circuit devi...
    • Patent number 8,497,642
    • Issue date Jul 30, 2013
    • Panasonic Corporation
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driver
    • Patent number 8,324,850
    • Issue date Dec 4, 2012
    • Panasonic Corporation
    • Kenji Sugiura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driving device, motor device, and integrated circuit device
    • Patent number 8,169,170
    • Issue date May 1, 2012
    • Panasonic Corporation
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gate driver, motor driving device including the gate driver, and ap...
    • Patent number 7,362,061
    • Issue date Apr 22, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Motor driving device, motor to be driven by the same device, and ap...
    • Patent number 7,218,072
    • Issue date May 15, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Kenji Sugiura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driver, motor driven by the motor driver, and apparatus emplo...
    • Patent number 7,129,661
    • Issue date Oct 31, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Kenji Sugiura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driver
    • Patent number 6,812,667
    • Issue date Nov 2, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driving device for motor having multi-phase coils
    • Patent number 6,710,559
    • Issue date Mar 23, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor driver
    • Patent number 6,512,343
    • Issue date Jan 28, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Step motor driving device
    • Patent number 6,271,641
    • Issue date Aug 7, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor control apparatus
    • Patent number 6,040,673
    • Issue date Mar 21, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshinori Isomura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    PWM inverter with zero dead time and initial power supply capacitor...
    • Patent number 6,021,058
    • Issue date Feb 1, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • 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

    Protection apparatus for brushless motor
    • Patent number 5,929,576
    • Issue date Jul 27, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Output circuit for PWM inverter with no floating state
    • Patent number 5,859,770
    • Issue date Jan 12, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Kazuyuki Takada
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driver for an induction motor
    • Patent number 5,703,459
    • Issue date Dec 30, 1997
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor for a permanent-magnet motor
    • Patent number 5,402,024
    • Issue date Mar 28, 1995
    • Matsushita Electric Industrial Co., Ltd.
    • Akihiko Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive apparatus and speed control apparatus for brushless motor
    • Patent number 5,300,866
    • Issue date Apr 5, 1994
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Drive device for a brushless motor
    • Patent number 5,122,715
    • Issue date Jun 16, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshitsugu Kimura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brushless motor driving system
    • Patent number 4,983,894
    • Issue date Jan 8, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroyuki Oku
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Brushless motor drive device
    • Patent number 4,970,445
    • Issue date Nov 13, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshitsugu Kimura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driving apparatus for brushless motor
    • Patent number 4,900,993
    • Issue date Feb 13, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Yasohara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Speed control apparatus for a motor
    • Patent number 4,780,651
    • Issue date Oct 25, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Hiromitsu Nakano
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents