Patents Assigned to Saburo Matsui
  • Adjustable bows for loupe frame
    Patent number: 4676609
    Abstract: An adjustable loupe frame is provided consisting of telescopic, spring-biased right and left bows and a loupe mounting bracket extending between and joined pivotably to the front ends of telescopic bows. The bows are adjustable to vary the distance between the loupe and the eyes of a viewer, so that an object to be viewed can be focused properly at any time.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: June 30, 1987
    Assignees: Saburo Matsui, Masakazu Yokoyama
    Inventor: Saburo Matsui