Patents by Inventor Junkichi Nakai

Junkichi Nakai 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).

  • Process for surface treating molded articles of fluorine resins
    Patent number: 4155826
    Abstract: The surface of a molded article of a fluorine resin is treated to provide better adhesion by sputter etching it in an atmosphere whose pressure is maintained at about 0.0005 to about 0.5 Torr.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: May 22, 1979
    Assignee: Nitto Electric Industrial Co., Ltd.
    Inventors: Junkichi Nakai, Kazuo Fukunaga
  • Process for surface treating molded articles of fluorine resins
    Patent number: 4064030
    Abstract: The surface of a molded article of a fluorine resin is treated to provide better adhesion by sputter etching it in an atmosphere whose pressure is maintained at about 0.0005 to about 0.5 Torr.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: December 20, 1977
    Assignee: Nitto Electric Industrial Co., Ltd.
    Inventors: Junkichi Nakai, Kazuo Fukunaga