Patents by Inventor Sin-Hang So

Sin-Hang So 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).

  • Use of persistent sessions by a presence access layer
    Patent number: 8312092
    Abstract: A method for a watcher to receive presence information. The method includes the watcher requesting presence information from a presence access layer and then disconnecting from the presence access layer. The method further includes the presence access layer receiving the requested information through a persistent session with a presence server, storing the requested information, and delivering the requested information to the watcher after the watcher reconnects to the presence access layer.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: November 13, 2012
    Assignee: Research In Motion Limited
    Inventors: Jeffrey Christopher Rogers, Sin-Hang So, Brian McColgan
  • Use of Persistent Sessions by a Presence Access Layer
    Publication number: 20120117175
    Abstract: A method for a watcher to receive presence information. The method includes the watcher requesting presence information from a presence access layer and then disconnecting from the presence access layer. The method further includes the presence access layer receiving the requested information through a persistent session with a presence server, storing the requested information, and delivering the requested information to the watcher after the watcher reconnects to the presence access layer.
    Type: Application
    Filed: January 20, 2012
    Publication date: May 10, 2012
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Jeff Rogers, Sin-Hang So, Brian McColgan
  • Use of persistent sessions by a presence access layer
    Patent number: 8103730
    Abstract: A method for a watcher to receive presence information. The method includes the watcher requesting presence information from a presence access layer and then disconnecting from the presence access layer. The method further includes the presence access layer receiving the requested information through a persistent session with a presence server, storing the requested information, and delivering the requested information to the watcher after the watcher reconnects to the presence access layer.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: January 24, 2012
    Assignee: Research In Motion Limited
    Inventors: Jeff Rogers, Sin-Hang So, Brian McColgan
  • Controlling and/or Limiting Publication Through the Presence Access Layer
    Publication number: 20100099387
    Abstract: A method for managing presence information sent from a presentity to a watcher is provided. The method includes the watcher providing watcher information to a presence aspect layer. The method further includes the presence aspect layer determining a manner for providing the presence information to the watcher based on an analysis of the watcher information.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 22, 2010
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Sin-Hang SO, Jeff ROGERS, Michael Hin Kai HUNG, Brian MCCOLGAN
  • Scheduling Policy and Quality of Service Through the Presence Access Layer
    Publication number: 20100098105
    Abstract: A method for specifying a level of Quality of Service (QoS) for a transmission of presence information to a watcher is provided. The method includes a Presence Access Layer (PAL) specifying the level of QoS for the transmission, and the PAL providing the presence information to the watcher using the specified level of QoS.
    Type: Application
    Filed: February 27, 2009
    Publication date: April 22, 2010
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Michael Hin Kai HUNG, Jeff ROGERS, Sin-Hang SO
  • Use of Persistent Sessions by a Presence Access Layer
    Publication number: 20100094993
    Abstract: A method for a watcher to receive presence information. The method includes the watcher requesting presence information from a presence access layer and then disconnecting from the presence access layer. The method further includes the presence access layer receiving the requested information through a persistent session with a presence server, storing the requested information, and delivering the requested information to the watcher after the watcher reconnects to the presence access layer.
    Type: Application
    Filed: October 15, 2008
    Publication date: April 15, 2010
    Applicant: RESEARCH IN MOTION LIMITED
    Inventors: Jeff Rogers, Sin-Hang So, Brian McColgan