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Yasufumi Ikkai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Motor with stator formed by assembling divided stator-members into...
    • Patent number 7,126,248
    • Issue date Oct 24, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor with stator formed by assembling divided stator-members into...
    • Patent number 7,026,741
    • Issue date Apr 11, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor using a motor
    • Patent number 6,979,924
    • Issue date Dec 27, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical motor
    • Patent number 6,836,045
    • Issue date Dec 28, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Murakami
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric vehicle using a motor
    • Patent number 6,759,778
    • Issue date Jul 6, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor having a rotor with interior split-permanent-magnet
    • Patent number 6,741,002
    • Issue date May 25, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Protecting device of electromobile
    • Patent number 6,580,239
    • Issue date Jun 17, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method for controlling vehicle drive motor
    • Patent number 6,575,257
    • Issue date Jun 10, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Yasufumi Ikkai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor controller
    • Patent number 6,541,939
    • Issue date Apr 1, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Taro Kishibe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor having stator with insulator of high heat-conductivity
    • Patent number 6,509,665
    • Issue date Jan 21, 2003
    • Matsushita Electric Industial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Compressor using a motor
    • Patent number 6,369,480
    • Issue date Apr 9, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric vehicle using a motor
    • Patent number 6,356,001
    • Issue date Mar 12, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor having a rotor with interior split-permanent-magnet
    • Patent number 6,340,857
    • Issue date Jan 22, 2002
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Current control apparatus with overcurrent protective function for...
    • Patent number 6,324,038
    • Issue date Nov 27, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Taro Kishibe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor
    • Patent number 6,300,700
    • Issue date Oct 9, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Protecting device of electromobile
    • Patent number 6,131,057
    • Issue date Oct 10, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor
    • Patent number 6,049,153
    • Issue date Apr 11, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Noriyoshi Nishiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method of controlling a torque ripple of a motor having interior pe...
    • Patent number 5,962,999
    • Issue date Oct 5, 1999
    • Matsushita Electric Industrial
    • Tomokazu Nakamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor controller
    • Patent number 5,923,728
    • Issue date Jul 13, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Yasufumi Ikkai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method and apparatus for controlling a synchronous motor
    • Patent number 5,880,570
    • Issue date Mar 9, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Apparatus and method for limiting the speed of an electric motor
    • Patent number 5,757,161
    • Issue date May 26, 1998
    • Matsushita Electric Industrial Co., Ltd.
    • Yasufumi Ikkai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Control method of electric car
    • Patent number 5,730,238
    • Issue date Mar 24, 1998
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Motor control circuit
    • Patent number 5,592,355
    • Issue date Jan 7, 1997
    • Matsushita Electric Industrial Co., Ltd.
    • Yasufumi Ikkai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method and apparatus for controlling motor
    • Patent number 5,504,404
    • Issue date Apr 2, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Protecting device of electromobile
    • Patent number 5,485,375
    • Issue date Jan 16, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Controlling apparatus of motor
    • Patent number 5,444,340
    • Issue date Aug 22, 1995
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Driving method for three-phase stepping motor
    • Patent number 5,321,340
    • Issue date Jun 14, 1994
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method for driving three phase stepping motor
    • Patent number 5,283,510
    • Issue date Feb 1, 1994
    • Matsushita Electric Industrial Co., Ltd.
    • Satoshi Tamaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents