TREA

Hiroto Wada

Follow

Person

  • Yokosuka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustic transducer and a method for manufacturing thereof
    • Patent number 4,621,171
    • Issue date Nov 4, 1986
    • Tokoyo Shibaura Denki Kabushiki Kaisha
    • Hiroto Wada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electroacoustic transducer and a method for manufacturing thereof
    • Patent number 4,615,105
    • Issue date Oct 7, 1986
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroto Wada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electret device
    • Patent number 4,458,161
    • Issue date Jul 3, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroto Wada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electret device
    • Patent number 4,455,494
    • Issue date Jun 19, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Masamichi Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electret device
    • Patent number 4,443,711
    • Issue date Apr 17, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Masamichi Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Electret device
    • Patent number 4,441,038
    • Issue date Apr 3, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Masamichi Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Electret device
    • Patent number 4,390,800
    • Issue date Jun 28, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Masamichi Tanaka
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Electrostatic microphone
    • Patent number 4,321,432
    • Issue date Mar 23, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hideki Matsutani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE