Seoul
South Korea
63
2011-12-15
54
2013-02-12
These are the the leading inventors for applications assigned to KTFREETEL CO., LTD.:
KTFREETEL CO., LTD. based in Seoul, KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Method for requesting and reporting channel quality information in wireless portable internet system
#2 | 2011-08-04 ✅ Patent 8,346,962 granted on 2013-01-01Session initiation protocol message routing method between IP networks using different IP address format
#3 | 2010-09-23TUNNELING METHOD OF MOBILE TERMINAL FOR SUPPORTING IP MOBILITY
#4 | 2010-08-26 ✅ Patent 8,107,514 granted on 2012-01-31Decoding method for space-time encoding transmission scheme in with multiple input multiple output system and receiving apparatus for using the method
#5 | 2010-05-27 ✅ Patent 8,170,147 granted on 2012-05-01Apparatus for cancelling DC offset and method thereof
#6 | 2010-03-11 ✅ Patent 8,134,914 granted on 2012-03-13Subcarrier allocation apparatus and method, subcarrier de-allocation apparatus and method in OFDM system
#7 | 2010-03-04 ✅ Patent 8,914,023 granted on 2014-12-16Method for transmitting multimedia message to roamed multimedia message receiver and system thereof
#8 | 2010-02-25 ✅ Patent 8,406,320 granted on 2013-03-26Digital clipping method for a transmitter of an orthogonal frequency division multiple access system
#9 | 2010-02-04 ✅ Patent 8,078,228 granted on 2011-12-13Method and apparatus for displaying messages in an idle state of mobile terminal, driving an application for an idle state in a mobile terminal and providing idle state contents for a mobile terminal
#10 | 2010-02-04 ✅ Patent 8,027,368 granted on 2011-09-27Terminal in wireless communication system and ranging method for dynamically changing ranging period thereof
#11 | 2009-12-03 ✅ Patent 8,194,619 granted on 2012-06-05Terminal in wireless communication system and ranging method thereof
#12 | 2009-11-05 ✅ Patent 7,826,410 granted on 2010-11-02Method for updating DNS address in mobile IP terminal
#13 | 2009-10-01 ✅ Patent 8,230,040 granted on 2012-07-24Open mobile business supporting system and method
#14 | 2009-09-17 ✅ Patent 7,796,577 granted on 2010-09-14Method for designing operation schedules of FFT and MIMO-OFDM modem thereof
#15 | 2009-09-10 ✅ Patent 7,782,966 granted on 2010-08-24Demodulator of base station in orthogonal frequency division multiple access
#16 | 2009-09-03 ✅ Patent 8,155,073 granted on 2012-04-10Orthogonal frequency division multiplexing wireless communication operable on frequency selective channel, and channel compensation method
#17 | 2009-07-23 ✅ Patent 8,145,257 granted on 2012-03-27Apparatus and method for providing mobile instant messaging service
#18 | 2009-05-19 ✅ Patent 7,536,451 granted on 2009-05-19Method for increasing standby time using access history to 1x ev-do network with access terminal and device thereof
#19 | 2009-04-30METHOD OF PROVIDING DIRECTION INFORMATION ACCORDING TO REAL-TIME TRAFFIC CONDITIONS
#20 | 2009-04-28 ✅ Patent 7,525,947 granted on 2009-04-28Method and apparatus for tunneling service of explicit multicast in mobile IP network
#21 | 2009-03-19 ✅ Patent 8,391,843 granted on 2013-03-05Method for controlling user interface menu, and mobile terminal and device for providing application service using the same
#22 | 2009-03-19METHOD AND SYSTEM FOR MEASURING LOCATION USING ROUND TRIP TIME INFORMATION IN MOBILE COMMUNICATION NETWORK
#23 | 2009-02-19 ✅ Patent 8,081,981 granted on 2011-12-20Method and apparatus for optimizing neighbor list for handover management
#24 | 2009-02-19 ✅ Patent 8,489,083 granted on 2013-07-16Method and apparatus for providing idle screen service
#25 | 2009-01-29 ✅ Patent 8,626,132 granted on 2014-01-07Digital device and method for providing additional service by using the same
#26 | 2008-12-30 ✅ Patent 7,471,678 granted on 2008-12-30System and apparatus for tunneling service of explicit multicast
#27 | 2008-12-18 ✅ Patent 8,117,522 granted on 2012-02-14Sphere decoder and decoding method thereof
#28 | 2008-12-11Terminal and Method for Accessing Wireless Connection
#29 | 2008-12-04 ✅ Patent 8,073,457 granted on 2011-12-06Device and method for controlling overload
#30 | 2008-10-09 ✅ Patent 8,245,938 granted on 2012-08-21Method for providing mobile service using code-pattern
#31 | 2008-10-09 ✅ Patent 7,748,630 granted on 2010-07-06Method of providing personal contact information with the use of a code-pattern
#32 | 2008-09-18 ✅ Patent 8,059,602 granted on 2011-11-15Method and apparatus for optimizing neighbor list automatically in asynchronous WCDMA network
#33 | 2008-09-18 ✅ Patent 8,054,803 granted on 2011-11-08Method and apparatus for optimizing neighbor list automatically in synchronous CDMA network
#34 | 2008-08-28 ✅ Patent 8,074,138 granted on 2011-12-06Decoding apparatus and method thereof
#35 | 2008-08-28 ✅ Patent 8,185,108 granted on 2012-05-22Multi-mode communication system and method thereof
#36 | 2008-08-07 ✅ Patent 8,792,415 granted on 2014-07-29Apparatus and method for scheduling of high-speed portable internet system
#37 | 2008-07-17 ✅ Patent 7,817,707 granted on 2010-10-19Apparatus and method for generating ranging pseudo noise code
#38 | 2008-07-10Sleep Mode Driving Method for Portable Terminal
#39 | 2008-06-19 ✅ Patent 8,014,525 granted on 2011-09-06Digital broadcasting transmitting system for conditional access and method thereof, and digital broadcasting receiving terminal and method thereof
#40 | 2008-06-12 ✅ Patent 7,954,035 granted on 2011-05-31Low density parity check encoder using costas array, and channel encoder of high speed portable internet system comprising the same and channel encoding method
#41 | 2008-05-29 ✅ Patent 7,801,088 granted on 2010-09-21Synchronous orthogonal frequency division multiplexing receiving apparatus in multi-cell environment and method thereof
#42 | 2008-05-08 ✅ Patent 7,873,003 granted on 2011-01-18Method for allocating IP address to mobile station in mobile communication system
#43 | 2008-05-01Method and Apparatus for Selling Used Contents
#44 | 2008-04-03 ✅ Patent 8,326,288 granted on 2012-12-04Method and apparatus for providing virtual mobile phone number
#45 | 2008-03-06 ✅ Patent 7,746,966 granted on 2010-06-29Method for automatic gain control before initial synchronization in OFDM system and apparatus thereof
#46 | 2008-02-21Method for Constructing Frame Preamble in Ofdm Wireless Communication System, and Method for Acquiring Frame Synchronization and Searching Cells Using Preamble
#47 | 2007-11-08 ✅ Patent 8,014,799 granted on 2011-09-06System for providing application and management service and modifying user interface and method thereof
#48 | 2007-06-14 ✅ Patent 8,064,911 granted on 2011-11-22Method of vertical handoff
#49 | 2007-05-31 ✅ Patent 7,761,099 granted on 2010-07-20Method for discovering wireless network for inter-system handover, multi-mode terminal unit and inter-working service server using the method
#50 | 2007-05-24Dualduplexer having matrix structure and method for forming the same
#51 | 2007-03-08 ✅ Patent 7,499,512 granted on 2009-03-03Clock transmission apparatus for network synchronization between systems using an even-second clock and an Unshielded Twisted Pair (UTP)
#52 | 2007-01-11 ✅ Patent 7,551,937 granted on 2009-06-23Method and device for allocating radio resources in wireless portable network system
#53 | 2006-09-26 ✅ Patent 7,113,801 granted on 2006-09-26Method for receiving data using SMS and wireless internet and system thereof
#54 | 2006-08-03 ✅ Patent 7,471,679 granted on 2008-12-30Method and apparatus for receivability and reachability test of explicit multicast
#55 | 2006-05-09 ✅ Patent 7,043,238 granted on 2006-05-09CDMA terminal for providing roaming service to GSM service subscriber in CDMA service area
#56 | 2006-03-30 ✅ Patent 7,419,097 granted on 2008-09-02Method for providing mobile service using code-pattern
#57 | 2005-12-15Method and device for providing mobile services with virtual number
#58 | 2005-12-08 ✅ Patent 7,580,864 granted on 2009-08-25Method for circulating an electronic gift certificate in online and offline system
#59 | 2005-12-08 ✅ Patent 7,327,984 granted on 2008-02-05Device and method for measuring receive sensitivity of communication system including receive-only path
#60 | 2005-09-06 ✅ Patent 6,941,137 granted on 2005-09-06System and method for supervising repeater by using wireless mobile
#61 | 2005-08-30 ✅ Patent 6,937,590 granted on 2005-08-30Method of supporting small group multicast in mobile IP
#62 | 2005-04-07 ✅ Patent 7,548,522 granted on 2009-06-16Orthogonal frequency division multiplexing wireless communication operable on frequency selective channel, and channel compensation method
#63 | 2005-03-31 ✅ Patent 7,565,167 granted on 2009-07-21Low-cost network system between a base station controller and a base transceiver station, and method for transmitting data between them
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