Patents by Inventor Masaru Kokuryou

Masaru Kokuryou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Laminated film and packaging material
    Patent number: 5912070
    Abstract: A laminated film superior in the heat resistance, shock resistance, moisture-barriering property and easy hand-tearability, which comprises one or more layers of a thermoplastic polyester resin (A), one or more layers of a resin based on cycloolefin (C) and one or more interposed layers of an adhesive (B) between layer (A) and layer (C), wherein the layer(s) of the thermoplastic polyester resin (A) and optionally the layer(s) of the resin based on cycloolefin (C) have been biaxially stretched and wherein the total thickness of the layer(s) of the thermoplastic polyester resin (A), the total thickness of the layer(s) of the adhesive (B) and the total thickness of the layer(s) based on cycloolefin (C) are 0.5-50 .mu.m, 0.5-20 .mu.m and 5-150 .mu.m, respectively.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: June 15, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kenji Miharu, Masaru Kokuryou, Yohzoh Yamamoto, Yasushi Amada