TREA

Shozo Matsumura

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inner socket
    • Patent number D423899
    • Issue date May 2, 2000
    • Maeda Metal Industries, Ltd.
    • Sueharu Yasutomi
    • D08 - Tools and hardware
  • Information Patent Grant

    Device for tightening bolt and/or nut
    • Patent number 6,053,080
    • Issue date Apr 25, 2000
    • Maeda Metal Industries, Ltd.
    • Yasunobu Kaneyama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Inner socket
    • Patent number D419845
    • Issue date Feb 1, 2000
    • Maeda Metal Industries, Ltd.
    • Sueharu Yasutomi
    • D08 - Tools and hardware
  • Information Patent Grant

    Bolt tightening device
    • Patent number 5,964,128
    • Issue date Oct 12, 1999
    • Maeda Metal Industries, Ltd.
    • Yasunobu Kaneyama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device for tightening bolt and nut
    • Patent number 5,953,965
    • Issue date Sep 21, 1999
    • Maeda Metal Industries, Ltd.
    • Yasunobu Kaneyama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Bolt tightening device
    • Patent number 5,582,079
    • Issue date Dec 10, 1996
    • Maeda Metal Industries, Inc.
    • Shozo Matsumura
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Nut tightening device
    • Patent number 5,490,439
    • Issue date Feb 13, 1996
    • Maeda Metal Industries, Ltd.
    • Shozo Matsumura
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Device for tightening up nut on bolt
    • Patent number 5,161,437
    • Issue date Nov 10, 1992
    • Maeda Metal Industries, Ltd.
    • Sueharu Yasutomi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Bolt tightening device having auxiliary handle
    • Patent number 4,467,676
    • Issue date Aug 28, 1984
    • Maeda Metal Industries, Ltd.
    • Seiji Ikeda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS