TREA

Masuo Hanawaka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Test system for optical disks
    • Patent number 4,832,487
    • Issue date May 23, 1989
    • Yokogawa Electric Corporation
    • Kenta Mikuriya
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Programmable controller
    • Patent number 4,542,452
    • Issue date Sep 17, 1985
    • Yokogawa Hokushin Electric Corporation
    • Yoshio Fukai
    • G05 - CONTROLLING REGULATING