TREA

Minoru Shiozaki

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration generating apparatus
    • Patent number 4,653,594
    • Issue date Mar 31, 1987
    • Nippon Telegraph & Telephone Public Corporation
    • Hiroshi Yamamoto
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Pipe laying apparatus
    • Patent number 4,571,122
    • Issue date Feb 18, 1986
    • Nippon Telegraph and Telephone Public Corp.
    • Hiroshi Yamamoto
    • E21 - EARTH DRILLING MINING