Patents by Inventor Shouko Koeda

Shouko Koeda 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).

  • Anti-vibration actuator and lens unit and camera furnished with same
    Patent number: 8896711
    Abstract: The present invention is an anti-vibration actuator (10) for moving an image stabilizing lens (16), having: a fixed portion (12); a movable portion (14) to which an image stabilizing lens is attached; a movable support member (18) for supporting this movable portion so that it is movable within a plane perpendicular to the optical axis of the image stabilizing lens; drive coils (20) attached to one of either the fixed portion or the movable portion; drive magnets (22) attached to the other of either the fixed portion or the movable portion so as to respectively face these drive coils; and at least one yoke (26) disposed on the side of the drive coils not facing the drive magnets; whereby magnetic force suppressing cutouts (26a) are provided on the yoke in a position overlapping the drive coils in order to suppress magnetic force received from the drive coils.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: November 25, 2014
    Assignee: Tamron Co., Ltd.
    Inventors: Toshinori Akutsu, Atsushi Shimane, Shouko Koeda