TREA

Takumi Yamauchi

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  • Nukata-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for pressing sheet material
    • Patent number 7,415,860
    • Issue date Aug 26, 2008
    • Denso Corporation
    • Takumi Yamauchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method and apparatus for manufacturing heat exchanger tube
    • Patent number 7,086,153
    • Issue date Aug 8, 2006
    • Denso Corporation
    • Takumi Yamauchi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Method of manufacturing tube and apparatus for manufacturing the same
    • Patent number 6,904,677
    • Issue date Jun 14, 2005
    • Denso Corporation
    • Takumi Yamauchi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Tube
    • Patent number 6,325,141
    • Issue date Dec 4, 2001
    • Denso Corporation
    • Takumi Yamauchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Piercing apparatus
    • Patent number 6,119,568
    • Issue date Sep 19, 2000
    • Denso Corporation
    • Takumi Yamauchi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents