TREA

Kazuhiko Tanaka

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grease replacement method and grease suction device
    • Patent number 11,231,142
    • Issue date Jan 25, 2022
    • Taiyo, Ltd.
    • Kazuhiko Tanaka
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    High-hardness heat-resistant alloy
    • Patent number 4,590,035
    • Issue date May 20, 1986
    • Hitachi Zosen Corporation
    • Jitsuhiko Ueda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Materials for rolls
    • Patent number 4,420,335
    • Issue date Dec 13, 1983
    • Hitachi Shipbuilding & Engineering Company Limited
    • Tomio Takagi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents