Patents by Inventor Chih-Yamg Yeh

Chih-Yamg Yeh 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 lens, and electronic apparatus including the same
    Patent number: 9134505
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. The image-side surface of the first lens element has a convex portion in a vicinity of its periphery. The object-side surface of the second lens element has a concave portion in a vicinity of its periphery. The image-side surface of the second lens element has a convex portion in a vicinity of its periphery. The object-side surface of the third lens element has a concave portion in a vicinity of its periphery. The fourth lens element has a positive refractive power, and the object-side surface thereof has a concave portion in a vicinity of an optical axis. The fifth lens element is made of a plastic material.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: September 15, 2015
    Assignee: GENIUS ELECTRONIC OPTICAL CO., LTD.
    Inventors: Kuo-Wen Chang, Sheng-Wei Hsu, Chih-Yamg Yeh
  • Imaging Lens, and Electronic Apparatus Including the Same
    Publication number: 20150002722
    Abstract: An imaging lens includes first to fifth lens elements arranged from an object side to an image side in the given order. The image-side surface of the first lens element has a convex portion in a vicinity of its periphery. The object-side surface of the second lens element has a concave portion in a vicinity of its periphery. The image-side surface of the second lens element has a convex portion in a vicinity of its periphery. The object-side surface of the third lens element has a concave portion in a vicinity of its periphery. The fourth lens element has a positive refractive power, and the object-side surface thereof has a concave portion in a vicinity of an optical axis. The fifth lens element is made of a plastic material.
    Type: Application
    Filed: October 31, 2013
    Publication date: January 1, 2015
    Applicant: Genius Electronic Optical Co., Ltd.
    Inventors: Kuo-Wen Chang, Sheng-Wei Hsu, Chih-Yamg Yeh