TREA

Norio Fukuoka

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  • Hachioji, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic reproducing apparatus
    • Patent number 4,424,416
    • Issue date Jan 3, 1984
    • Olympus Optical Company Ltd.
    • Norio Fukuoka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Tuning indicator circuit
    • Patent number 4,259,745
    • Issue date Mar 31, 1981
    • Olympus Optical Co., Ltd.
    • Norio Fukuoka
    • H03 - BASIC ELECTRONIC CIRCUITRY