Patents Assigned to Kabushikikaisha Keller & Y. NA.
  • Eyeglass frames for mounting magnifying lenses and magnifying lenses using eyeglass frames
    Patent number: 6921167
    Abstract: Eyeglass frames for mounting magnifying lenses according to the present invention comprise support units each having an engagement space, and each being positioned on inner sides of each lens frame to match each eye of a wearer. A magnifying lens system is incorporated in the engagement space, and a pair of magnifying main units having an ocular tube is engaged in the ocular tube and is removably mounted on a support unit, which is engaged at the ocular tube and engaged by a fixing mechanism.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: July 26, 2005
    Assignee: Kabushikikaisha Keller & Y. NA.
    Inventor: Yoshio Nagata