Patents by Inventor Koji Hamazaki

Koji Hamazaki 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).

  • Wig attaching member
    Patent number: 4625739
    Abstract: A wig attaching member to be fixed to an inner surface of a wig when in use, comprising a piece of elastically deformable, substantially convexo-concave sheet-like member which is defined by a smoothly continuous curved marginal edge, a substantially spherical external convex surface and a substantially spherical internal concave surface to provide an internal space serving as a vacuum chamber which is formed when the member is pressed against a bald area of a person's head.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: December 2, 1986
    Inventor: Koji Hamazaki