Patents by Inventor Yasuto Eto

Yasuto Eto 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).

  • Spectacle lens shape measuring apparatus
    Patent number: 6163967
    Abstract: An apparatus is provided for measuring the contour of a lens frame of an eyeglass frame and measuring the shape of a template. The apparatus has at least a pair of holding hooks (43, 44) for holding the rim of the eyeglass frame from above and below. The apparatus is constructed to hold a template holder (100) of a template (T) by the holding hooks (43, 44).
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: December 26, 2000
    Assignee: Kabushiki Kaisha Topcon
    Inventors: Yasuo Suzuki, Kenichi Watanabe, Yasuto Eto