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Jun Yonezawa

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydrogenated block copolymer
    • Patent number 6,458,891
    • Issue date Oct 1, 2002
    • Asahi Kasei Kabushiki Kaisha
    • Jun Yonezawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrogenated block copolymer
    • Patent number 6,455,635
    • Issue date Sep 24, 2002
    • Asahi Kasei Kabushiki Kaisha
    • Jun Yonezawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrogenated block copolymer and polypropylene resin composition co...
    • Patent number 6,310,138
    • Issue date Oct 30, 2001
    • Asahi Kasei Kabushiki Kaisha
    • Jun Yonezawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrogenated block copolymer and composition of the same
    • Patent number 6,239,218
    • Issue date May 29, 2001
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Jun Yonezawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...