TREA

Seiryu Takayama

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Disc drive apparatus and motor driver circuit
    • Patent number 7,227,320
    • Issue date Jun 5, 2007
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk drive apparatus
    • Patent number 7,099,247
    • Issue date Aug 29, 2006
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk drive apparatus for optimum motor control
    • Patent number 7,042,821
    • Issue date May 9, 2006
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Disk driving apparatus
    • Patent number 7,006,413
    • Issue date Feb 28, 2006
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Sensorless motor starting system
    • Patent number 6,597,140
    • Issue date Jul 22, 2003
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Motor control apparatus
    • Patent number 6,476,576
    • Issue date Nov 5, 2002
    • Sony Corporation
    • Seiryu Takayama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Disk drive apparatus
    • Publication number 20050286371
    • Publication date Dec 29, 2005
    • Sony Corporation
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disc drive apparatus and motor driver circuit
    • Publication number 20050280379
    • Publication date Dec 22, 2005
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disk driving apparatus
    • Publication number 20030007433
    • Publication date Jan 9, 2003
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Disk drive apparatus
    • Publication number 20020186631
    • Publication date Dec 12, 2002
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Sensorless motor starting system
    • Publication number 20020003412
    • Publication date Jan 10, 2002
    • Seiryu Takayama
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Motor control apparatus
    • Publication number 20010050540
    • Publication date Dec 13, 2001
    • Sony Corporation
    • Seiryu Takayama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER