TREA

Atushi Takeyama

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Deflection yoke
    • Patent number 5,070,280
    • Issue date Dec 3, 1991
    • Hitachi, Ltd.
    • Nobutaka Okuyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Self-converging deflection yoke
    • Patent number 4,246,560
    • Issue date Jan 20, 1981
    • Hitachi, Ltd.
    • Toshiharu Shimizu
    • H01 - BASIC ELECTRIC ELEMENTS