Patents by Inventor Isao Itoh

Isao Itoh 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).

  • Composite molded product
    Patent number: 4659618
    Abstract: A composite molded product according to the present invention has the structure that an olefin-based resin molded product and a urethane foam are integrally laminated with an adhesive resin layer of the invention.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: April 21, 1987
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Takao Yazaki, Satoru Hattori, Kazuhide Hattori, Takumi Matsuno, Nobuhiro Shibuya, Kazuhide Hayama, Isao Itoh
  • Adhesive composition for ceramic tiles
    Patent number: 4590230
    Abstract: Disclosed herein is an adhesive composition which contains specific amounts of (A) an aqueous emulsion, (B) a filler and (C) a resin solution of a resinous tackifier dissolved in a solvent and/or plasticizer. The adhesive composition has a fast setting time in adhesion strength and excellent water-proofness and hence produces superb adhesion force even when applied to a fresh mortar base which has been aged insufficiently.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: May 20, 1986
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Keiichi Kamada, Katuaki Iiyama, Yasushi Yano, Isao Itoh
  • Composite heat-insulating material and process for the production thereof
    Patent number: 4500597
    Abstract: A composite heat-insulating material and a process for the production thereof are described. This material is of the structure that an olefin- or styrene-based resin sheet and a urethane foam material are laminated on each other with an adhesive containing: (A) 20 to 100% by weight of a water-soluble polyimine compound selected from the group consisting of polyethyleneimine, poly(ethyleneimine-urea), and a polyaminepolyamide/ethyleneimine adduct, and (B) 80 to 0% by weight of a nitrogen atom-containing cationic or amphoteric polymer. This composite heat-insulating material is very suitable for use as a lining material for a refrigerator, for example.
    Type: Grant
    Filed: July 26, 1984
    Date of Patent: February 19, 1985
    Assignees: Mitsubishi Petrochemical Co., Ltd., Mitsubishi Yuka Fine Chemicals Co., Ltd.
    Inventors: Takao Yazaki, Kazuhide Hattori, Satoru Hattori, Kazuhide Hayama, Isao Itoh
  • Device for extinguishing lit objects
    Patent number: 4146043
    Abstract: A device for extinguishing lit objects comprising a water raising pipe which raises a level of water to a wall where lit objects are extinguished.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: March 27, 1979
    Inventor: Isao Itoh