Patents by Inventor Sachio Omori

Sachio Omori 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).

  • Zoom lens assembly
    Patent number: 4558927
    Abstract: A zoom lens assembly comprises an optical system including, in succession from the object side, a stationary lens group, a first movable lens group, a second movable lens group and a third movable lens group, a stationary barrel for holding the stationary lens group, first, second and third movable barrel members disposed in the stationary barrel for sliding movement in the direction of the optical axis and holding the first, second and third movable lens groups, respectively, and lens driving means including means for sliding the first movable barrel member for focusing and means for sliding the second and third movable barrel members for zooming.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: December 17, 1985
    Assignee: Nippon Kogaku K.K.
    Inventors: Sachio Omori, Hideshi Naito, Hitoshi Imanari, Takeshi Muryoi