TREA

Yoshio Mitumori

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  • Shizuoka, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Transistor blocking oscillator stabilized against changes in bias v...
    • Patent number 4,065,733
    • Issue date Dec 27, 1977
    • Star Seimitsu Kabushika Kaisha
    • Youjiro Shigemori
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Magnetic card reader
    • Patent number 4,062,050
    • Issue date Dec 6, 1977
    • Star Seimitsu Kabushiki Kaisha
    • Youjiro Shigemori
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Contactless buzzer
    • Patent number 3,974,499
    • Issue date Aug 10, 1976
    • Star Seimitsu Kabushiki Kaisha
    • Youjiro Shigemori
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS