Patents Assigned to Toshifumi Ichihashi
  • Patent number: 6000797
    Abstract: The invention is to embed a stretching spring member 1a, a compression spring member 1b and a supporting member 2 having a large friction coefficient as a nose pad into spectacles, thereby to constitute a displacement prevention mechanism K for preventing displacement of the spectacles.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: December 14, 1999
    Assignee: Toshifumi Ichihashi
    Inventors: Toshifumi Ichihashi, Kurumi Ichihashi