TREA

Tsuyoshi Doi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-slip structure
    • Patent number 7,380,376
    • Issue date Jun 3, 2008
    • Shin Caterpillar Mitsubishi Ltd.
    • Shunji Ohno
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Non-slip material
    • Patent number 7,162,839
    • Issue date Jan 16, 2007
    • Shin Caterpillar Mitsubishi Ltd.
    • Shunji Ohno
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for manufacturing slip stopper
    • Patent number 7,021,109
    • Issue date Apr 4, 2006
    • Shin Caterpillar Mitsubishi Ltd.
    • Shunji Ohno
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cover structure for construction machine cooling package
    • Patent number 6,901,903
    • Issue date Jun 7, 2005
    • Shin Caterpillar Mitsubishi Ltd.
    • Norio Nakajima
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents