Inventor · disambiguated record
Hee-Hyeok Hahm
Also filed as: HAHM HEE-HYEOK
19 granted patents·1 pending application·186 citations·filing 2002–2006
94Inventor score
Top patents by PatentIndex Score
20 records- 0184US7257416B2Mobile location based service system and methodS K TELECOM·Filed 2003·Granted Aug 14, 2007·55 cites·3 claims
- 0283US7221952B2Method for processing address of short message service center in IMT-2000 asynchronous networkSK TELECOM CO LTD·Filed 2003·Granted May 22, 2007·41 cites·4 claims
- 0381US8032121B2System and method for transferring voice messagesSK TELECOM CO LTD·Filed 2005·Granted Oct 4, 2011·11 cites·13 claims
- 0471US7242757B2Method for providing a subscriber-based ringback tone soundSK TELECOM CO LTD·Filed 2003·Granted Jul 10, 2007·13 cites·10 claims
- 0569US7809362B2Method and apparatus for providing subscriber-based ringback toneSK TELECOM CO LTD·Filed 2006·Granted Oct 5, 2010·2 cites·33 claims
- 0668US7433679B2Apparatus and method of providing a history of calling numbersSK TELECOM CO LTD·Filed 2002·Granted Oct 7, 2008·12 cites·15 claims
- 0767US7400882B2Method for providing a subscriber-based ringback tone sound stored in a mobile exchangerSK TELECOM CO LTD·Filed 2003·Granted Jul 15, 2008·9 cites·15 claims
- 0860US7489658B2Dual stack mobile communication systemSK TELECOM CO LTD·Filed 2002·Granted Feb 10, 2009·7 cites·5 claims
- 0960US7260406B2Method for tracking location of subscribers in dual stack mobile communication networkS K TELECOM CO LTD·Filed 2003·Granted Aug 21, 2007·12 cites·25 claims
- 1059US7242756B2Method for providing subscriber-based ringback tone in flexible paging modeSK TELECOM CO LTD·Filed 2003·Granted Jul 10, 2007·6 cites·16 claims
- 1157US8032120B2Voice message transmission system, transmission result notification system, and methods thereofSK TELECOM CO LTD·Filed 2005·Granted Oct 4, 2011·1 cites·20 claims
- 1257US7840209B2Reply voice message transmission system and method thereofSK TELECOM CO LTD·Filed 2005·Granted Nov 23, 2010·1 cites·12 claims
- 1357US7809800B2Method for providing the location information on a mobile station based on DBM and TCP/IPSK TELECOM CO LTD·Filed 2003·Granted Oct 5, 2010·6 cites·26 claims
- 1456US7447496B2Method for providing subscriber-based ringback tone through a call-orginating exchangerSK TELECOM CO LTD·Filed 2003·Granted Nov 4, 2008·2 cites·18 claims
- 1554US8315614B2Method and apparatus of transmitting personal information in subscriber-based ringback tone serviceNO YEONG-TAE·Filed 2004·Granted Nov 20, 2012·7 cites·24 claims
- 1654US7236581B2Method for providing subscriber-based ringback tone with no progress toneSK TELECOM CO LTD·Filed 2003·Granted Jun 26, 2007·1 cites·12 claims
- 1747US7769377B2Method for providing a tone replacing sound chosen by a subscriber in call waiting serviceSK TELECOM CO LTD·Filed 2003·Granted Aug 3, 2010·0 cites·7 claims
- 1835US8014773B2Mixed mobile communication system of asynchronous communication network and synchronous communication network having handover function of mobile communication terminal, and handover method in the sameSK TELECOM CO LTD·Filed 2005·Granted Sep 6, 2011·0 cites·23 claims
- 1934US8238918B2Hand over method from asynchronous mobile communication network to synchronous mobile communication networkLEE SANG-YUN·Filed 2005·Granted Aug 7, 2012·0 cites·35 claims
- 2033US2008137607A1Method and System For Management of Handover Only Trunk Line Between Mobile Switching Centers For Handover in Mixed Mobile Communication System of an Asynchronous Network and a Synchronous NetworkSK TELECOM CO LTD·Filed 2005·Application pending·0 cites
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