TREA

Shigeaki Wachi

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  • Tokyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surge current protection circuit
    • Patent number 4,091,434
    • Issue date May 23, 1978
    • Sony Corporation
    • Tadao Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter circuit including transformer with shielding of undesired...
    • Patent number 4,089,049
    • Issue date May 9, 1978
    • Sony Corporation
    • Tadao Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Starting circuit for inverter
    • Patent number 4,047,089
    • Issue date Sep 6, 1977
    • Sony Corporation
    • Tadao Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter radiation suppression
    • Patent number 4,039,921
    • Issue date Aug 2, 1977
    • Sony Corporation
    • Tadao Yoshida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transistor inverter
    • Patent number 4,031,454
    • Issue date Jun 21, 1977
    • Sony Corporation
    • Tadao Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER