Patents by Inventor Chris Kwok Ching Leung

Chris Kwok Ching Leung 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).

  • Patent number: 8451595
    Abstract: An electronic device having a concealed keyboard includes a first housing, a second housing rotatably coupled to the first housing, and a concealment cover coupled to a rear of the first housing. The first housing has a coupling edge and two sides that are substantially perpendicular to the coupling edge of the first housing. The second housing has a coupling edge and two sides that are substantially perpendicular to the coupling edge of the second housing. A receiving portion is formed on a rear surface of the first housing and is configured to receive the second housing. When the second housing is in the receiving portion, each respective side of the first housing and the second housing are co-terminal with one another. The concealment cover is exteriorly positioned with respect to the second housing when the second housing is in the receiving portion.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: May 28, 2013
    Assignee: Research In Motion Limited
    Inventors: Chris Kwok Ching Leung, Archer Chi Kwong Wun
  • Publication number: 20120218699
    Abstract: An electronic device having a concealed keyboard includes a first housing, a second housing rotatably coupled to the first housing, and a concealment cover coupled to a rear of the first housing. The first housing has a coupling edge and two sides that are substantially perpendicular to the coupling edge of the first housing. The second housing has a coupling edge and two sides that are substantially perpendicular to the coupling edge of the second housing. A receiving portion is formed on a rear surface of the first housing and is configured to receive the second housing. When the second housing is in the receiving portion, each respective side of the first housing and the second housing are co-terminal with one another. The concealment cover is exteriorly positioned with respect to the second housing when the second housing is in the receiving portion.
    Type: Application
    Filed: February 25, 2011
    Publication date: August 30, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Chris Kwok Ching Leung, Archer Chi Kwong Wun