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Joji Kawai

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Parallel inverter system
    • Patent number 5,212,630
    • Issue date May 18, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Yushin Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for removing D.C. components from output of multi-phase inve...
    • Patent number 5,091,842
    • Issue date Feb 25, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Joji Kawai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Corrective device for inverter output voltage error
    • Patent number 4,969,079
    • Issue date Nov 6, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsuo Kiriyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Memory unit for data tracing
    • Patent number 4,835,675
    • Issue date May 30, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Joji Kawai
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Speed detection apparatus
    • Patent number 4,716,535
    • Issue date Dec 29, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Koichi Yoshida
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Running speed detector
    • Patent number 4,667,297
    • Issue date May 19, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Joji Kawai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Analog-to-digital converter
    • Patent number 4,654,632
    • Issue date Mar 31, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Koichi Yoshida
    • G06 - COMPUTING CALCULATING COUNTING