Inventor
SHATSKY ALEXANDER
CA22 patents
⚠️ This page may combine multiple inventors who share the name “SHATSKY ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHATSKY ALEXANDER
7 patentsUS8862146B2Oct 14, 2014
Method, device and system for enhancing location information
SHATSKY ALEXANDER55 citations96
US9094438B2Jul 28, 2015
Using non-IMS connections in IMS sessions
SHATSKY ALEXANDER6 citations83
US8423658B2Apr 16, 2013
Method and system to release internet protocol (IP) multimedia subsystem (IMS), session initiation protocol (SIP), IP-connectivity access network (IP-CAN) and radio access network (RAN) networking resources when IP television (IPTV) session is paused
SHATSKY ALEXANDER7 citations83
US8260966B2Sep 4, 2012
System and method for detecting and processing stale messages
SHATSKY ALEXANDER8 citations81
US8588174B2Nov 19, 2013
Dual-mode device and method for handover of session from VOIP interface to cellular interface
SHATSKY ALEXANDER6 citations72
US8135866B2Mar 13, 2012
System and method for detecting and processing stale messages
SHATSKY ALEXANDER4 citations60
US8955089B2Feb 10, 2015
“Push” keep-alive mechanism for SIP user agents located behind NATS/firewalls
SHATSKY ALEXANDER1 citations51
BLACKBERRY LTD
4 patentsUS9332476B2May 3, 2016
Method and apparatus to correct indoor positioning by utilizing Wi-Fi handovers
BLACKBERRY LTD2 citations53
US10609153B2Mar 31, 2020
Using non-IMS connections in IMS sessions
BLACKBERRY LTD0 citations51
US9961148B2May 1, 2018
Using non-IMS connections in IMS sessions
BLACKBERRY LTD0 citations51
US9351109B2May 24, 2016
Method, device and system for enhancing location information
BLACKBERRY LTD0 citations51
RESEARCH IN MOTION LTD
3 patentsUS8374643B2Feb 12, 2013
Systems and methods for facilitating push-to-talk (PTT) communications using SIP-based messaging
RESEARCH IN MOTION LTD1 citations51
US8504677B2Aug 6, 2013
System and method for managing registration of services for an electronic device
RESEARCH IN MOTION LTD0 citations50
US8359385B2Jan 22, 2013
System and method for managing registration of services for an electronic device
RESEARCH IN MOTION LTD0 citations50