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Masahiko Akamatsu

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  • Amagasaki, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor switch device
    • Patent number 4,087,703
    • Issue date May 2, 1978
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power converter
    • Patent number 4,084,220
    • Issue date Apr 11, 1978
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor switch device having means for supplying control curr...
    • Patent number 4,066,956
    • Issue date Jan 3, 1978
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter
    • Patent number 4,030,021
    • Issue date Jun 14, 1977
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power transistor switching apparatus
    • Patent number 4,010,387
    • Issue date Mar 1, 1977
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    AC output power control system
    • Patent number 4,002,958
    • Issue date Jan 11, 1977
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    AC feed control system
    • Patent number 3,992,657
    • Issue date Nov 16, 1976
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical valve circuit apparatus
    • Patent number 3,984,752
    • Issue date Oct 5, 1976
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Commutation circuit and applications thereof
    • Patent number 3,942,094
    • Issue date Mar 2, 1976
    • Mitsubishi Denki Kabushiki Kaisha
    • Masahiko Akamatsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER