TREA

Takayuki Okamura

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  • Okayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyurethane
    • Patent number 5,070,172
    • Issue date Dec 3, 1991
    • Kuraray Co., Ltd.
    • Koji Hirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate resin composition
    • Patent number 4,833,217
    • Issue date May 23, 1989
    • Kuraray Co., Ltd.
    • Keishiro Igi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolyester film and a method for production thereof
    • Patent number 4,725,483
    • Issue date Feb 16, 1988
    • Kuraray Co., Ltd.
    • Masao Ishii
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polycarbonate resin composition
    • Patent number 4,657,973
    • Issue date Apr 14, 1987
    • Idemitsu Petrochemical Co., Ltd.
    • Hideki Endo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyester polyurethane
    • Patent number 4,639,471
    • Issue date Jan 27, 1987
    • Kuraray Co., Ltd.
    • Koji Hirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for production of polyurethane
    • Patent number 4,551,518
    • Issue date Nov 5, 1985
    • Kuraray Co., Ltd.
    • Mitsuo Matsumoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane coating compositions prepared from a polymeric diol, a...
    • Patent number 4,412,022
    • Issue date Oct 25, 1983
    • Kuraray Co., Ltd.
    • Koji Hirai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane composition having good light resistance
    • Patent number 4,367,307
    • Issue date Jan 4, 1983
    • Kuraray Company, Limited
    • Koji Hirai
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...