Patents by Inventor Jitsuko Yamaguchi

Jitsuko Yamaguchi 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).

  • Patent number: 7048373
    Abstract: To manufacture rimless eyeglasses without soldering the parts and to make the assembling easy, a bridge and two joint pieces are provided by cutting or punching a piece of metal sheet into a required flat shape. The bridge comprises a crossbar having two pin-like extensions, two press-fitting extensions and two leg extensions integrally connected to the opposite ends of the crossbar. The pin-like extensions have saw-tooth indentations formed on their surfaces, and the leg extensions end with hooks for fixedly holding nose pads. Each joint piece has a pin-like extension with saw-tooth indentations formed on its surface and a press-fitting extension. Each lens has a through hole and a notch made on either side. Each through hole has a flanged sleeve press-fitted therein, and the pin-like extensions of the bridge and joint pieces are inserted into the flanged sleeves in the through holes of the lenses, and the press-fitting extensions of the bridge and joint pieces are inserted into the notches of the lenses.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: May 23, 2006
    Assignee: Inada Project Co., Ltd.
    Inventors: Jitsuko Yamaguchi, Katsushi Yamaguchi
  • Publication number: 20050275793
    Abstract: To manufacture a rimless eyeglasses without soldering the parts easily and make the assembling easy, a bridge and two joint pieces are provided by cutting or punching a piece of metal sheet into a required flat shape. The bridge comprises a crossbar having two pin-like extensions, two press-fitting extensions and two leg extensions integrally connected to the opposite ends of the crossbar. The pin-like extensions have saw-tooth indentations formed on their surfaces, and the leg extensions end with hooks for fixedly holding nose pads. Each joint piece has a pin-like extension with saw-tooth indentations formed on its surface and a press-fitting extension. Each lens has a through hole and a notch made on either side.
    Type: Application
    Filed: January 12, 2004
    Publication date: December 15, 2005
    Inventors: Jitsuko Yamaguchi, Katsushi Yamaguchi