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Yasunobu Arakawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment agent for elastic fiber
    • Patent number 11,591,747
    • Issue date Feb 28, 2023
    • Takemoto Oil & Fat Co., Ltd.
    • Katsuya Suzuki
    • D10 - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEX...
  • Information Patent Grant

    Oil solution for carbon fiber precursors and carbon fiber precursor
    • Patent number 10,753,038
    • Issue date Aug 25, 2020
    • Takemoto Yushi Kabushiki Kaisha
    • Yasunobu Arakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Spin finish for elastomer fibers
    • Patent number 8,882,900
    • Issue date Nov 11, 2014
    • Takemoto Yushi Kabushiki Kaisha
    • Yasunobu Arakawa
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Processing agent for polyurethane elastomer fibers
    • Patent number 8,445,571
    • Issue date May 21, 2013
    • Takemoto Yushi Kabushiki Kaisha
    • Yasunobu Arakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Agent for processing polyurethane elastomer fibers
    • Patent number 8,252,197
    • Issue date Aug 28, 2012
    • Takemoto Yushi Kabushiki Kaisha
    • Yasunobu Arakawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents