TREA

Tokyo First Trading Company

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Patents Grantslast 30 patents

  • Information Patent Grant

    Flux for solder paste and solder paste
    • Patent number 7,241,348
    • Issue date Jul 10, 2007
    • Tokyo First Trading Co., Ltd.
    • Kenichi Wada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing a radiator
    • Patent number 6,564,458
    • Issue date May 20, 2003
    • Tokyo First Trading Company
    • Tadashi Sawamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pb-free soldering alloy
    • Patent number 6,440,360
    • Issue date Aug 27, 2002
    • Tokyo First Trading Company
    • Tadashi Sawamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

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