TREA

Masao Yamamoto

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  • Yasu-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrically operated vibrating drill/driver
    • Patent number 6,892,827
    • Issue date May 17, 2005
    • Matsushita Electric Works, Ltd.
    • Kazuto Toyama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable motor powered device
    • Patent number 6,683,396
    • Issue date Jan 27, 2004
    • Matsushita Electric Works, Ltd.
    • Yosuke Ishida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Electrically operated vibrating drill/driver
    • Publication number 20040245005
    • Publication date Dec 9, 2004
    • Kazuto Toyama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Portable motor powered device
    • Publication number 20030127932
    • Publication date Jul 10, 2003
    • Yosuke Ishida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS