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Kazumasa Takai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotor position sensing system for three phase motors and related me...
    • Patent number 9,831,808
    • Issue date Nov 28, 2017
    • Semiconductor Components Industries, LLC
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor position sensing system for three phase motors and related me...
    • Patent number 9,831,809
    • Issue date Nov 28, 2017
    • Semiconductor Components Industries, LLC
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driver circuit and method
    • Patent number 9,356,545
    • Issue date May 31, 2016
    • Semiconductor Components Industries, LLC
    • Kosaku Hioki
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Motor drive circuit for rotating a rotor by supplying the currents...
    • Patent number 8,604,744
    • Issue date Dec 10, 2013
    • Semiconductor Components Industries, LLC
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driver circuit for driving a stepping motor
    • Patent number 8,497,653
    • Issue date Jul 30, 2013
    • Semiconductor Components Industries, LLC
    • Kosaku Hioki
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Motor drive circuit for driving a synchronous motor
    • Patent number 8,461,796
    • Issue date Jun 11, 2013
    • Sanyo Semiconductor Co., Ltd.
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Pulse period measurement method
    • Patent number 8,400,097
    • Issue date Mar 19, 2013
    • SANYO Semiconductor Co., Ltd.
    • Kazumasa Takai
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Motor drive control circuit
    • Patent number 8,344,672
    • Issue date Jan 1, 2013
    • Sanyo Electric Co., LTD
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed controller
    • Patent number 8,198,844
    • Issue date Jun 12, 2012
    • Semiconductor Components Industries, LLC
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Driver circuit
    • Patent number 8,179,081
    • Issue date May 15, 2012
    • Sanyo Semiconductror Co., Ltd.
    • Yoshihiro Niwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor speed controller
    • Patent number 8,174,215
    • Issue date May 8, 2012
    • Semiconductor Components Industries, LLC
    • Kazumasa Takai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Self-emission type display device
    • Patent number 7,948,452
    • Issue date May 24, 2011
    • Sanyo Electric Co., LTD
    • Masatoshi Sato
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Drive system of display device
    • Patent number 7,675,486
    • Issue date Mar 9, 2010
    • Sanyo Electric Co., LTD
    • Kazumasa Takai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Clock switching circuit
    • Patent number 7,656,980
    • Issue date Feb 2, 2010
    • Sanyo Electric Co., Ltd.
    • Tomonori Matsumuro
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Display device
    • Patent number 7,479,972
    • Issue date Jan 20, 2009
    • Sanyo Electric Co., LTD
    • Kazumasa Takai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reproduction apparatus for disk-like recording medium
    • Patent number 6,115,335
    • Issue date Sep 5, 2000
    • Sanyo Electric Co., Ltd.
    • Kazumasa Takai
    • G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTOR POSITION SENSING SYSTEM FOR THREE PHASE MOTORS AND RELATED ME...
    • Publication number 20180083558
    • Publication date Mar 22, 2018
    • Semiconductor Components Industries, LLC
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTOR POSITION SENSING SYSTEM FOR THREE PHASE MOTORS AND RELATED ME...
    • Publication number 20180069495
    • Publication date Mar 8, 2018
    • Semiconductor Components Industries, LLC
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVER CIRCUIT AND METHOD
    • Publication number 20130307454
    • Publication date Nov 21, 2013
    • Semiconductor Components Industries, LLC
    • Kosaku Hioki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR DRIVE CIRCUIT FOR ROTATING A ROTOR BY SUPPLYING THE CURRENTS...
    • Publication number 20110156631
    • Publication date Jun 30, 2011
    • SANYO ELECTRIC CO., LTD.
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR DRIVE CIRCUIT FOR DRIVING A SYNCHRONOUS MOTOR
    • Publication number 20110156624
    • Publication date Jun 30, 2011
    • SANYO ELECTRIC CO., LTD.
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR DRIVE CONTROL CIRCUIT
    • Publication number 20110074321
    • Publication date Mar 31, 2011
    • SANYO ELECTRIC CO., LTD/ SANYO SEMICONDUCTOR CO., LTD.
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVER CIRCUIT
    • Publication number 20100289444
    • Publication date Nov 18, 2010
    • SANYO ELECTRIC CO., LTD.
    • Yoshihiro Niwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DRIVER CIRCUIT
    • Publication number 20100188036
    • Publication date Jul 29, 2010
    • Kosaku Hioki
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    PULSE PERIOD MEASUREMENT METHOD
    • Publication number 20100188103
    • Publication date Jul 29, 2010
    • Sanyo Electric Co., Ltd.
    • Kazumasa Takai
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    MOTOR SPEED CONTROLLER
    • Publication number 20100188032
    • Publication date Jul 29, 2010
    • Sanyo Electric Co., Ltd.
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MOTOR SPEED CONTROLLER
    • Publication number 20100188030
    • Publication date Jul 29, 2010
    • Sanyo Electric Co., Ltd.
    • Kazumasa TAKAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Clock switching circuit
    • Publication number 20070063744
    • Publication date Mar 22, 2007
    • Sanyo Electric Co., Ltd.
    • Tomonori Matsumuro
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Self-emission type display device
    • Publication number 20070057878
    • Publication date Mar 15, 2007
    • Sanyo Electric Co., Ltd.
    • Masatoshi Sato
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20070052633
    • Publication date Mar 8, 2007
    • Sanyo Electric Co., Ltd.
    • Masatoshi Sato
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20050231450
    • Publication date Oct 20, 2005
    • Sanyo Electric Co., Ltd.
    • Kazumasa Takai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display device
    • Publication number 20050225254
    • Publication date Oct 13, 2005
    • Sanyo Electric Co., Ltd.
    • Kazumasa Takai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Drive system of display device
    • Publication number 20050140608
    • Publication date Jun 30, 2005
    • Sanyo Electric Co., Ltd.
    • Kazumasa Takai
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS