TREA

Tsukashi Ohama

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  • Utsunomiya, JP
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Patents Grantslast 30 patents

  • 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

    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 apparatus for inner race of constant velocity universal joint
    • Patent number 6,044,684
    • Issue date Apr 4, 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    Forging die apparatus
    • Publication number 20030213277
    • Publication date Nov 20, 2003
    • Yuichi Nagao
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...