Inventor
HAHM HEE HYEOK
KR19 patents
⚠️ This page may combine multiple inventors who share the name “HAHM HEE HYEOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SK TELECOM CO LTD
15 patentsUS7221952B2May 22, 2007
Method for processing address of short message service center in IMT-2000 asynchronous network
SK TELECOM CO LTD41 citations90
US7433679B2Oct 7, 2008
Apparatus and method of providing a history of calling numbers
SK TELECOM CO LTD12 citations83
US7400882B2Jul 15, 2008
Method for providing a subscriber-based ringback tone sound stored in a mobile exchanger
SK TELECOM CO LTD9 citations83
US7242757B2Jul 10, 2007
Method for providing a subscriber-based ringback tone sound
SK TELECOM CO LTD13 citations83
US8032121B2Oct 4, 2011
System and method for transferring voice messages
SK TELECOM CO LTD11 citations81
US7489658B2Feb 10, 2009
Dual stack mobile communication system
SK TELECOM CO LTD7 citations73
US7809362B2Oct 5, 2010
Method and apparatus for providing subscriber-based ringback tone
SK TELECOM CO LTD2 citations62
US7447496B2Nov 4, 2008
Method for providing subscriber-based ringback tone through a call-orginating exchanger
SK TELECOM CO LTD2 citations62
US7809800B2Oct 5, 2010
Method for providing the location information on a mobile station based on DBM and TCP/IP
SK TELECOM CO LTD6 citations60
US7242756B2Jul 10, 2007
Method for providing subscriber-based ringback tone in flexible paging mode
SK TELECOM CO LTD6 citations58
US7236581B2Jun 26, 2007
Method for providing subscriber-based ringback tone with no progress tone
SK TELECOM CO LTD1 citations51
US8032120B2Oct 4, 2011
Voice message transmission system, transmission result notification system, and methods thereof
SK TELECOM CO LTD1 citations46
US7840209B2Nov 23, 2010
Reply voice message transmission system and method thereof
SK TELECOM CO LTD1 citations46
US7769377B2Aug 3, 2010
Method for providing a tone replacing sound chosen by a subscriber in call waiting service
SK TELECOM CO LTD0 citations41
US8014773B2Sep 6, 2011
Mixed mobile communication system of asynchronous communication network and synchronous communication network having handover function of mobile communication terminal, and handover method in the same
SK TELECOM CO LTD0 citations35