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Kiyoo Kato

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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyetherester elastomer
    • Patent number 6,833,428
    • Issue date Dec 21, 2004
    • Asahi Kasei Kabushiki Kaisha
    • Kiyoo Kato
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyether polyurethane
    • Patent number 6,777,524
    • Issue date Aug 17, 2004
    • Asahi Kasei Kabushiki Kaisha
    • Atsushi Shimizu
    • 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-...
  • Information Patent Grant

    Resin composition
    • Patent number 5,883,192
    • Issue date Mar 16, 1999
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Itaru Natori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer containing a modified cyclic monomer unit
    • Patent number 5,830,965
    • Issue date Nov 3, 1998
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Kimio Imaizumi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...