Patents by Inventor Jung-hoi Ko

Jung-hoi Ko 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).

  • Zoom lens and electronic apparatus including the same
    Patent number: 9335527
    Abstract: A zoom lens includes: in an order from an object side to an image side, a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein, when zooming is performed from a wide angle position to a telephoto position, the first through fourth lens groups move, and the first lens group includes a first negative lens and a second positive lens from the object side. The zoom lens may be part of an electronic apparatus, such as a photographing apparatus.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-keun Kim, Jung-hoi Ko
  • ZOOM LENS AND ELECTRONIC APPARATUS INCLUDING THE SAME
    Publication number: 20150153548
    Abstract: A zoom lens includes: in an order from an object side to an image side, a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive refractive power; and a fourth lens group having a positive refractive power, wherein, when zooming is performed from a wide angle position to a telephoto position, the first through fourth lens groups move, and the first lens group includes a first negative lens and a second positive lens from the object side. The zoom lens may be part of an electronic apparatus, such as a photographing apparatus.
    Type: Application
    Filed: June 9, 2014
    Publication date: June 4, 2015
    Inventors: Chang-keun Kim, Jung-hoi Ko