Patents by Inventor Toshimi Owatari

Toshimi Owatari 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).

  • Paint peeling composition and paint peeling method
    Patent number: 5017303
    Abstract: A paint peeling composition contains as effective components thereof 17 to 25 weight percent of polyvinylalcohol or 2 to 12 weight percent of an acrylic resin or polyvinyl acetate and a subsstance which when heated is in the form of minute shells enclosing a gas or vapor, the shells being thermally expandable without rupturing.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: May 21, 1991
    Assignee: Kaken Tech Co., Ltd.
    Inventors: Keisaku Komatsu, Takashi Yamada, Toshimi Owatari