TREA

Kenichi Aonuma

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power source
    • Patent number 5,999,420
    • Issue date Dec 7, 1999
    • TDK Corporation
    • Kenichi Aonuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Step up switching power unit and filter circuit
    • Patent number 5,909,107
    • Issue date Jun 1, 1999
    • TDK Corporation
    • Kenichi Aonuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric power device with improved power factor
    • Patent number 5,856,917
    • Issue date Jan 5, 1999
    • TDK Corporation
    • Kenichi Aonuma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER