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Yutaka Iwahori

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  • Kadoma-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-emitting device
    • Patent number 7,495,322
    • Issue date Feb 24, 2009
    • Panasonic Electric Works Co., Ltd.
    • Takuma Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electronic ballast for a high-pressure discharge lamp
    • Patent number 6,914,395
    • Issue date Jul 5, 2005
    • Matsushita Electric Works, Ltd.
    • Tokushi Yamauchi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power converter
    • Patent number 6,870,355
    • Issue date Mar 22, 2005
    • Matsushita Electric Works, Ltd.
    • Yutaka Iwahori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Discharge lamp lighting device
    • Patent number 6,388,397
    • Issue date May 14, 2002
    • Matsushita Electric Works, Ltd.
    • Yutaka Iwahori
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power source device including a plurality of switching circuit for...
    • Patent number 6,111,392
    • Issue date Aug 29, 2000
    • Matsushita Electric Works, Ltd.
    • Yutaka Iwahori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power device with commonly used switching elements
    • Patent number 6,108,225
    • Issue date Aug 22, 2000
    • Matsushita Electric Works, Ltd.
    • Yutaka Iwahori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power source device
    • Patent number 5,930,127
    • Issue date Jul 27, 1999
    • Matsushita Electric Works, Ltd.
    • Yutaka Iwahori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stable high frequency high-pressure discharge lamp lighting device...
    • Patent number 5,491,386
    • Issue date Feb 13, 1996
    • Matsushita Electric Works, Ltd.
    • Hiroyasu Eriguchi
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Light-emitting device
    • Publication number 20070007540
    • Publication date Jan 11, 2007
    • MATSUSHITA ELECTRIC WORKS, Ltd.
    • Takuma Hashimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Power converter
    • Publication number 20040170036
    • Publication date Sep 2, 2004
    • Yutaka Iwahori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electronic ballast for a high-pressure discharge lamp
    • Publication number 20040113567
    • Publication date Jun 17, 2004
    • Tokushi Yamauchi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...