TREA

Jal Data Communications & Systems Co., Ltd.

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary boring machine
    • Patent number 5,240,082
    • Issue date Aug 31, 1993
    • Obayashi Corporation
    • Keitaro Hayabuchi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Floatable structure propelling mechanism
    • Patent number 5,194,029
    • Issue date Mar 16, 1993
    • Jal Data Communications & Systems Co., Ltd.
    • Koichi Kinoshita
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Radio-controlled flying apparatus
    • Patent number 5,071,383
    • Issue date Dec 10, 1991
    • Jal Data Communications & Systems Co., Ltd.
    • Koichi Kinoshita
    • B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

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