Patents by Inventor Zhe-Ming Wu

Zhe-Ming Wu 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).

  • Wide-angle lens
    Patent number: 9612421
    Abstract: A wide-angle lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with negative refractive power and includes a convex surface facing the object side. The second lens includes a convex surface facing the object side. The third lens is a biconvex lens. The fourth lens is a biconvex lens. The fifth lens is a biconcave lens. The sixth lens is a biconvex lens. The fourth lens and the fifth lens are cemented together to form a cemented lens.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: April 4, 2017
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL INTERNATIONAL LTD.
    Inventor: Zhe-Ming Wu
  • Wide-Angle Lens
    Publication number: 20150241664
    Abstract: A wide-angle lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, all of which are arranged in sequence from an object side to an image side along an optical axis. The first lens is with negative refractive power and includes a convex surface facing the object side. The second lens includes a convex surface facing the object side. The third lens is a biconvex lens. The fourth lens is a biconvex lens. The fifth lens is a biconcave lens. The sixth lens is a biconvex lens. The fourth lens and the fifth lens are cemented together to form a cemented lens.
    Type: Application
    Filed: February 17, 2015
    Publication date: August 27, 2015
    Inventor: Zhe-Ming Wu