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Akio Shimoi

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  • Suwa, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic wristwatch
    • Patent number 4,093,992
    • Issue date Jun 6, 1978
    • Kabushiki Kaisha Suwa Seikosha
    • Yoshikazu Kawamura
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Digital display driving circuit
    • Patent number 4,091,377
    • Issue date May 23, 1978
    • Kabushiki Kaisha Suwa Seikosha
    • Akio Shimoi
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Quartz crystal vibrator
    • Patent number 3,969,641
    • Issue date Jul 13, 1976
    • Kabushiki Kaisha Suwa Seikosha
    • Kikuo Oguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    X-cut quartz resonator using non overlaping electrodes
    • Patent number 3,944,862
    • Issue date Mar 16, 1976
    • Kabushiki Kaisha Suwa Seikosha
    • Akio Shimoi
    • H03 - BASIC ELECTRONIC CIRCUITRY