P

Inventor

SONG O-SOK

KR30 patents
⚠️ This page may combine multiple inventors who share the name “SONG O-SOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SAMSUNG ELECTRONICS CO LTD

15 patents
US7953042B2May 31, 2011

Handover method and apparatus between different systems

SAMSUNG ELECTRONICS CO LTD32 citations92
US7962138B2Jun 14, 2011

Method and apparatus for managing routing area in mobile communication system

SAMSUNG ELECTRONICS CO LTD11 citations84
US7391754B2Jun 24, 2008

System and method for seamless handoff of WLAN-UMTS interworking

SAMSUNG ELECTRONICS CO LTD19 citations84
US8031672B2Oct 4, 2011

System and method for providing secure mobility and internet protocol security related services to a mobile node roaming in a foreign network

SAMSUNG ELECTRONICS CO LTD14 citations74
USRE49357EJan 3, 2023

IMS reregistration method and system therefor

SAMSUNG ELECTRONICS CO LTD2 citations73
US10091686B2Oct 2, 2018

Method and apparatus for transmitting and receiving status report comprising received status of packet data in a mobile communication system

SAMSUNG ELECTRONICS CO LTD3 citations73
US8031692B2Oct 4, 2011

Method for maintaining uplink timing synchronization in a mobile communication system and user equipment apparatus for the same

SAMSUNG ELECTRONICS CO LTD5 citations63
US8018858B2Sep 13, 2011

IMS reregistration method and system therefor

SAMSUNG ELECTRONICS CO LTD4 citations63
US7965704B2Jun 21, 2011

Method and apparatus for handling IMS terminal's call request including request for real-time service received over IMS domain by CSI terminal

SAMSUNG ELECTRONICS CO LTD2 citations63
US7844268B2Nov 30, 2010

Method and apparatus for notifying changed service information according to terminal state in a wireless communication system

SAMSUNG ELECTRONICS CO LTD2 citations63
US7792035B2Sep 7, 2010

Method and apparatus for controlling rate of voice service in a mobile communication system supporting voice service via packet network

SAMSUNG ELECTRONICS CO LTD3 citations63
US7813347B2Oct 12, 2010

System and method to enable combination of network controlled mobility and UE controlled mobility between different IP versions

SAMSUNG ELECTRONICS CO LTD2 citations62
US7805754B2Sep 28, 2010

Communication method and apparatus using IP address of VPN gateway for mobile node in a VPN

SAMSUNG ELECTRONICS CO LTD6 citations60
US9955394B2Apr 24, 2018

Method and apparatus for performing handover between core network entities in a packet-switched network

SAMSUNG ELECTRONICS CO LTD0 citations52
US9729223B2Aug 8, 2017

Method and apparatus for transmitting and receiving channel quality information in a wireless communication system

SAMSUNG ELECTRONICS CO LTD0 citations52

JEONG KYEONG-IN

5 patents

BAE EUN-HUI

3 patents

KIM SOENG-HUN

2 patents

SONG O-SOK

1 patent

LIM HAN-NA

1 patent

CHOI SUNG-HO

1 patent

RAJADURAI RAJAVELSAMY

1 patent

YEOUM TAE-SUN

1 patent