Patents by Inventor Mitsuyasu Sho

Mitsuyasu Sho 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).

  • Triple engagement optical element holder
    Patent number: 5517363
    Abstract: An optical element holder holds an optical element while minimizing the profile irregularity of the optical element. The optical element holder is provided with three holding portions which abut and engage the peripheral side surface of the optical element at first, second and third positions, respectively. One of the holding portions is movable and can be moved to and away from the peripheral side surface of the optical element, thereby securing the optical element in the optical element holder and releasing the optical element from the optical element holder, respectively.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: May 14, 1996
    Assignee: Sigma Koki Co., Ltd.
    Inventors: Noboru Suzuki, Mitsuyasu Sho