TREA

Toshio Nonaka

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ultrasonic inspection apparatus
    • Patent number 4,862,383
    • Issue date Aug 29, 1989
    • Hitachi Construction Machinery Co., Ltd.
    • Chishio Koshimizu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Supersonic flaw detecting system
    • Patent number 4,768,155
    • Issue date Aug 30, 1988
    • Hitachi Construction Machinery Co., Ltd.
    • Yoshihiko Takishita
    • B82 - NANO-TECHNOLOGY