TREA

Takeo Matsumaru

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coil apparatus with divided windings
    • Patent number 4,635,019
    • Issue date Jan 6, 1987
    • TDK Corporation
    • Yoshiaki Akachi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Coil bobbin
    • Patent number 4,617,543
    • Issue date Oct 14, 1986
    • TDK Corporation
    • Yoshiaki Akachi
    • H01 - BASIC ELECTRIC ELEMENTS