Patents by Inventor Ishii Masao

Ishii Masao 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).

  • Laminates
    Patent number: 4335188
    Abstract: Laminated structures consisting of two or more adherend members selected from a variety of materials such as metals and plastics bonded together with adhesive layers of hot melt adhesive of a polyester made from terephthalic acid or a dicarboxylic acid mixture containing at least 85 mole % of terephthalic acid, 0.65 to 0.97 mole per mole of terephthalic acid or dicarboxylic acid mixture of 1,4-butanediol or a polymethylene glycol mixture containing at least 80 mole % of 1,4-butanediol and 0.03 to 0.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: June 15, 1982
    Assignee: Kuraray Company, Limited
    Inventors: Keishiro Igi, Ishii Masao