TREA

Mari Kataoka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling bearing
    • Patent number 6,517,250
    • Issue date Feb 11, 2003
    • NTN Corporation
    • Koya Ohira
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Resin parts for mechanical transmission
    • Patent number 6,232,385
    • Issue date May 15, 2001
    • NTN Corporation
    • Eiichiro Shimazu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Biodegradable lubricative resin composition
    • Patent number 5,955,402
    • Issue date Sep 21, 1999
    • NTN Corporation
    • Masakazu Hirata
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...