Patents by Inventor En-Guang Huang

En-Guang Huang 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 electronic device having a securely positioned touch control pen
    Patent number: 8203543
    Abstract: A portable electronic device includes a housing configured with an elongate inner accommodating space for accommodating a touch control pen therein, and formed with a housing opening disposed at one end of the housing, in spatial communication with the inner accommodating space and permitting insertion of the touch control pen into the inner accommodating space therethrough, and a positioning groove in spatial communication with the housing opening and the inner accommodating space.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: June 19, 2012
    Assignees: Universal Scientific Inustrial (Shanghai) Co., Ltd., Universal Global Scientific Industrial Co., Ltd.
    Inventors: Li-Ying Chen, En-Guang Huang
  • Touch control pen for a portable electronic device
    Publication number: 20090244822
    Abstract: A touch control pen for a portable electronic device includes a resilient positioning sleeve sleeved sealingly on an elongate main body and disposed adjacent to a head end of the main body. When the touch control pen is inserted into a slot defined by a looped surrounding wall of a housing of the portable electronic device, the positioning sleeve contacts watertightly an inner annular surface of the looped surrounding wall of the housing.
    Type: Application
    Filed: March 28, 2008
    Publication date: October 1, 2009
    Inventors: Li-Ying Chen, En-Guang Huang, Jen-Yu Lee, Fei-Ming Su
  • PORTABLE ELECTRONIC DEVICE HAVING A SECURELY POSITIONED TOUCH CONTROL PEN
    Publication number: 20090225061
    Abstract: A portable electronic device includes a housing configured with an elongate inner accommodating space for accommodating a touch control pen therein, and formed with a housing opening disposed at one end of the housing, in spatial communication with the inner accommodating space and permitting insertion of the touch control pen into the inner accommodating space therethrough, and a positioning groove in spatial communication with the housing opening and the inner accommodating space.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 10, 2009
    Inventors: Li-Ying Chen, En-Guang Huang