Patents by Inventor Hideki Doya

Hideki Doya 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).

  • Anti-fogging resin film-forming composition
    Patent number: 5180760
    Abstract: An anti-fogging resin film-forming composition, comprising a block or graft copolymer and a surfactant, each of which block and graft copolymers consists of a hydrophilic polymer segment and a hydrophobic polymer segment having specifically limited monomer compositions, is disclosed. A coating film formed on a matrix surface from the composition has a durable excellent anti-fogging property and having high adhesion to the matrix surface and high strength.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: January 19, 1993
    Assignee: Nippon Oil and Fats Company, Limited
    Inventors: Yoshihiro Oshibe, Toshihiro Izumi, Hideki Doya, Hiroshi Ohmura, Yasuhiro Yamamoto, Keiji Kumazawa