Patents by Inventor Dongna QIN

Dongna QIN 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).

  • Cover glass for a mobile device
    Patent number: 9040147
    Abstract: A cover glass for use in a mobile device such as a touch-panel mobile telephone has a thickness in the range of, for example, 0.3 mm to 1.5 mm. A recess that can be recognized as a character or a figure when watching from the front side of the mobile device or a recess that can be recognized when touching from the front side of the mobile device is formed on at least one of opposite main surfaces of the cover glass. A surface of this recess is an etched surface treated by etching.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: May 26, 2015
    Assignees: HOYA CORPORATION, HOEV COMPANY, LIMITED
    Inventors: Kazuaki Hashimoto, Go Chiwata, Dongna Qin, Masatomo Shibui
  • COVER GLASS FOR A MOBILE DEVICE
    Publication number: 20120270016
    Abstract: A cover glass for use in a mobile device such as a touch-panel mobile telephone has a thickness in the range of, for example, 0.3 mm to 1.5 mm. A recess that can be recognized as a character or a figure when watching from the front side of the mobile device or a recess that can be recognized when touching from the front side of the mobile device is formed on at least one of opposite main surfaces of the cover glass. A surface of this recess is an etched surface treated by etching.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 25, 2012
    Applicants: HOEV COMPANY, LIMITED, HOYA CORPORATION
    Inventors: Kazuaki HASHIMOTO, Go CHIWATA, Dongna QIN, Masatomo SHIBUI