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Yoshihisa Doi

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  • Tochigi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of and apparatus for manufacturing shaft
    • Patent number 8,051,694
    • Issue date Nov 8, 2011
    • Honda Motor Co., Ltd.
    • Yoshihisa Doi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Method of manufacturing outer ring member for constant velocity joint
    • Patent number 7,347,077
    • Issue date Mar 25, 2008
    • Honda Motor Co., Ltd.
    • Yoshihisa Doi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Outer ring member for constant velocity joint and method of manufac...
    • Patent number 7,090,729
    • Issue date Aug 15, 2006
    • Honda Giken Kogyo Kabushiki Kaisha
    • Tsukashi Oohama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging die apparatus
    • Patent number 7,043,955
    • Issue date May 16, 2006
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forming machine
    • Patent number 6,477,882
    • Issue date Nov 12, 2002
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging die incorporated with a forging apparatus
    • Patent number 6,389,868
    • Issue date May 21, 2002
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging die, and method and apparatus for controlling the same
    • Patent number 6,205,828
    • Issue date Mar 27, 2001
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging die apparatus
    • Patent number 6,189,362
    • Issue date Feb 20, 2001
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming outer ring of constant velocity joint
    • Patent number 6,055,838
    • Issue date May 2, 2000
    • Honda Giken Kogyo Kabushiki Kaisha
    • Tsukashi Ohama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Forging die apparatus
    • Patent number 6,035,688
    • Issue date Mar 14, 2000
    • Honda Giken Kogyo Kabushiki Kaisha
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of and apparatus for extruding a billet of a light metal alloy
    • Patent number 5,490,408
    • Issue date Feb 13, 1996
    • Honda Giken Kogyo Kabushiki Kaisha
    • Shoichi Ando
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for forming a crankshaft
    • Patent number 5,115,663
    • Issue date May 26, 1992
    • Honda Giken Kogyo Kabushiki Kaisha
    • Shyoichi Ando
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents