Patents by Inventor Yoshifumi Tsuji

Yoshifumi Tsuji 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).

  • Imaging device
    Patent number: 8152316
    Abstract: An imaging device having a light-shielding area between a cover glass for imaging element and an optical member arranged adjacent to the cover glass, the light-shielding area having a light-transmitting area which is formed by a part of the light-shielding area on an edge of the optical member being cut off so that one or more corners on the boundary between an image area of the imaging element and the outside of the image area are locatable from the object side, and the following conditions (1) and (2) are satisfied: 0.3?a/IH?1.5??(1) a1?a?a2???(2) where, a1=IH?D tan ?1, a2? denotes the smallest value of the following values a2, a3, and a4, a2=2b?IH?D tan ?2, a3=b?(D/2)×tan ?3, a4=b?X.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: April 10, 2012
    Assignee: Olympus Medical Systems Corp.
    Inventor: Yoshifumi Tsuji
  • Imaging device
    Publication number: 20110267696
    Abstract: An imaging device is provided with an light-shielding area between a cover glass for imaging element and an optical member arranged adjacently to the cover glass, the light-shielding area includes a light-transmitting area which is formed by cutting a part of the light-shielding area on the edge of the optical member so that one or more corners on the boundary portion between an image area of the imaging element and the outside of the image area can be verified from the object side, and the following conditions (1) and (2) are satisfied: 0.3?a/IH?1.
    Type: Application
    Filed: April 21, 2011
    Publication date: November 3, 2011
    Inventor: Yoshifumi Tsuji