Patents by Inventor Yong De Zhang

Yong De Zhang 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).

  • Portable media player
    Patent number: 8136130
    Abstract: The present invention provides a portable media player, such as a portable DVD player. The portable media player has a clamshell type design, including a base portion and an openable cover portion. The openable cover portion includes a display screen, such as an LCD display screen. The player may include a single-hinge stand attached to an outer surface of the base portion so that DVDs may be viewed with the player positioned to stand upright or partially upright. The player may alternatively or additionally include an optionally attachable dual hinge stand having a base including a battery.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: March 13, 2012
    Assignee: Coby Electronics Corporation
    Inventor: Yong De Zhang
  • Portable Media Player
    Publication number: 20090060475
    Abstract: The present invention provides a portable media player, such as a portable DVD player. The portable media player has a clamshell type design, including a base portion and an openable cover portion. The openable cover portion includes a display screen, such as an LCD display screen. The player may include a single-hinge stand attached to an outer surface of the base portion so that DVDs may be viewed with the player positioned to stand upright or partially upright. The player may alternatively or additionally include an optionally attachable dual hinge stand having a base including a battery.
    Type: Application
    Filed: May 27, 2008
    Publication date: March 5, 2009
    Inventor: Yong De Zhang
  • Portable media player
    Patent number: 7398535
    Abstract: The present invention provides a portable media player, such as a portable DVD player. The portable media player has a clamshell type design, including a base portion and an openable cover portion. The openable cover portion includes a display screen, such as an LCD display screen. The player may include a single-hinge stand attached to an outer surface of the base portion so that DVDs may be viewed with the player positioned to stand upright or partially upright. The player may alternatively or additionally include an optionally attachable dual hinge stand having a base including a battery.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: July 8, 2008
    Assignee: Coby Electronics Corporation
    Inventor: Yong De Zhang
  • Portable DVD player with stand
    Patent number: D521964
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: May 30, 2006
    Assignee: Coby Electronics Corporation
    Inventor: Yong De Zhang
  • Portable DVD player
    Patent number: D532400
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: November 21, 2006
    Assignee: Coby Electronics Corp.
    Inventor: Yong De Zhang
  • Portable CD player with radio
    Patent number: D540775
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: April 17, 2007
    Assignee: Coby Electronics Corporation
    Inventor: Yong De Zhang
  • Personal DVD/digital media player
    Patent number: D540815
    Type: Grant
    Filed: July 12, 2005
    Date of Patent: April 17, 2007
    Assignee: Coby Electronics Corporation
    Inventor: Yong De Zhang