TREA

Keizo Watanabe

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  • Iwaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Push-button tuner
    • Patent number 4,492,125
    • Issue date Jan 8, 1985
    • Sanshin Electric Co., Ltd.
    • Hiroyasu Miyata
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Push-button type tuner
    • Patent number 4,487,084
    • Issue date Dec 11, 1984
    • Sanshin Electric Co., Ltd.
    • Hiroyasu Miyata
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Release mechanism for a push-button tuner
    • Patent number 4,467,671
    • Issue date Aug 28, 1984
    • Sanshin Electric Co., Ltd.
    • Hiroyasu Miyata
    • H03 - BASIC ELECTRONIC CIRCUITRY