Takumi Yamauchi

Person

  • Nukata-gun, JP

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