Patents by Inventor Hisao Toya

Hisao Toya 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).

  • Corona discharge treating method and apparatus for resin moldings
    Patent number: 4836901
    Abstract: Disclosed is a corona discharge treating method and apparatus for a three-dimensional resin molding having corners, in which a corona discharge electrode at least having a curved surface discharge portion is relatively moved along the shape of the surface of the molding with corona discharge generated in the vicinity of the molding.
    Type: Grant
    Filed: February 26, 1988
    Date of Patent: June 6, 1989
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Katsuhide Manabe, Yasuhiko Ogisu, Kazuaki Goto, Hisao Toya