TREA

Katsuhiko Takaya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Oriented polyester film
    • Patent number 5,770,317
    • Issue date Jun 23, 1998
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Katsuhiko Takaya
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Weather-resistant polyoxymethylene composition and molded article t...
    • Patent number 5,294,661
    • Issue date Mar 15, 1994
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Katsuhiko Takaya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization of olefins
    • Patent number 4,526,941
    • Issue date Jul 2, 1985
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,454,242
    • Issue date Jun 12, 1984
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Tadashi Ikegami
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,451,573
    • Issue date May 29, 1984
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Tadashi Ikegami
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,330,650
    • Issue date May 18, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,312,783
    • Issue date Jan 26, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,255,280
    • Issue date Mar 10, 1981
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerizing olefins and polymerization method of olef...
    • Patent number 4,159,256
    • Issue date Jun 26, 1979
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...