Assignee profile:

KT Corporation

City:

Country:

South Korea

Published Applications:

80

Last publication date:

2014-05-01

Patent Grants:

80

Last grant date:

2016-02-16

Top Inventors for applications by KT Corporation

These are the the leading inventors for applications assigned to KT Corporation:

Recent patent applications by KT Corporation

KT Corporation based in , KR has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2014-05-01 ✅ Patent 9,264,777 granted on 2016-02-16
US20140123195A1
Electricity

Control video content play speed

#2 | 2014-03-06 ✅ Patent 9,135,617 granted on 2015-09-15
US20140061301A1
Physics

Card payment system

#3 | 2012-10-02 ✅ Patent 8,279,084 granted on 2012-10-02
US10668798
-

Method for providing bus arrival time for passengers by using DSRC

#4 | 2011-12-15 ✅ Patent 8,374,145 granted on 2013-02-12
US20110305218A1
Electricity

Method for requesting and reporting channel quality information in wireless portable internet system

#5 | 2009-10-06 ✅ Patent 7,599,322 granted on 2009-10-06
US10382550
-

Method for measuring receive sensitivity of base station having multiple frequency allocations

#6 | 2009-08-20 ✅ Patent 7,826,801 granted on 2010-11-02
US20090207776A1
Electricity

Adaptive forward error corrector and method thereof, and TDD radio repeating apparatus using the same

#7 | 2009-08-06 ✅ Patent 7,978,651 granted on 2011-07-12
US20090196276A1
Electricity

Internal data structure of mobile terminal for QoS-based uplink data transmission, and operational methods thereof

#8 | 2009-07-09 ✅ Patent 7,813,291 granted on 2010-10-12
US20090175178A1
Electricity

Method and apparatus for requesting and reporting channel quality information in mobile communication system

#9 | 2009-05-07 ✅ Patent 8,656,480 granted on 2014-02-18
US20090119509A1
Electricity

Method for negotiating security-related functions of subscriber station in wireless portable internet system

#10 | 2009-04-30 ✅ Patent 7,944,824 granted on 2011-05-17
US20090109844A1
Electricity

Terminal of portable internet system and method of transmitting uplink data in terminal

#11 | 2009-03-12 ✅ Patent 7,889,805 granted on 2011-02-15
US20090067513A1
Electricity

Smart antenna system and method thereof for forming uplink eigenbeam of OFDM/TDD

#12 | 2009-03-12 ✅ Patent 7,768,966 granted on 2010-08-03
US20090067374A1
Electricity

Method for traffic indication and channel adaptation for sleep mode terminals, and an apparatus thereof

#13 | 2008-11-20 ✅ Patent 8,462,706 granted on 2013-06-11
US20080287138A1
Electricity

Method for requesting and reporting channel quality information in wireless system and apparatus thereof

#14 | 2008-10-30 ✅ Patent 8,588,189 granted on 2013-11-19
US20080267140A1
Electricity

Wireless internet terminal and packet transmission method for improving quality of service

#15 | 2008-10-09 ✅ Patent 8,055,986 granted on 2011-11-08
US20080250303A1
Electricity

Viterbi decoder and method thereof

#16 | 2008-10-02 ✅ Patent 8,588,145 granted on 2013-11-19
US20080240022A1
Electricity

Method for allocating and accessing radio resources in OFDMA system

#17 | 2008-07-17 ✅ Patent 7,817,707 granted on 2010-10-19
US20080170632A1
Electricity

Apparatus and method for generating ranging pseudo noise code

#18 | 2008-06-26 ✅ Patent 7,596,319 granted on 2009-09-29
US20080152345A1
Electricity

Wavelength division multiplexing-passive optical network system

#19 | 2008-05-15 ✅ Patent 7,475,865 granted on 2009-01-13
US20080111115A1
Electricity

Cable pulling machine for use in removing underground cables

#20 | 2008-05-01 ✅ Patent 7,862,257 granted on 2011-01-04
US20080101869A1
Mechanical engineering

Cable guide device for use in a manhole

#21 | 2008-04-03 ✅ Patent 7,907,733 granted on 2011-03-15
US20080080713A1
Electricity

Method for managing traffic encryption key in wireless portable internet system and protocol configuration method thereof, and operation method of traffic encryption key state machine in subscriber station

#22 | 2008-03-06 ✅ Patent 7,746,966 granted on 2010-06-29
US20080056394A1
Electricity

Method for automatic gain control before initial synchronization in OFDM system and apparatus thereof

#23 | 2008-02-28 ✅ Patent 8,934,448 granted on 2015-01-13
US20080049674A1
Electricity

Handover method in wireless portable internet system

#24 | 2008-01-31 ✅ Patent 7,773,627 granted on 2010-08-10
US20080025342A1
Electricity

Method and apparatus for allocating transmission opportunity in communication system

#25 | 2008-01-24 ✅ Patent 7,826,543 granted on 2010-11-02
US20080019455A1
Electricity

Mobile station in orthogonal frequency division multiplexing access system and transmit power control method thereof

#26 | 2007-12-27 ✅ Patent 8,127,136 granted on 2012-02-28
US20070297611A1
Electricity

Method for security association negotiation with extensible authentication protocol in wireless portable internet system

#27 | 2007-12-27 ✅ Patent 7,757,155 granted on 2010-07-13
US20070296616A1
Electricity

Signal transmitting and receiving device and method of mobile communication system

#28 | 2007-12-20 ✅ Patent 7,991,057 granted on 2011-08-02
US20070291861A1
Electricity

Apparatus and method for generating ranging pseudo noise code

#29 | 2007-12-20 ✅ Patent 7,953,165 granted on 2011-05-31
US20070291633A1
Electricity

Transmitting apparatus in orthogonal frequency division multiplexing access system capable of controlling gain for variation of sub-channel allocation and method for transmitting data thereof

#30 | 2007-12-13 ✅ Patent 7,631,239 granted on 2009-12-08
US20070288824A1
Electricity

Method for retransmitting packet in mobile communication system and computer-readable medium recorded program thereof

#31 | 2007-12-06 ✅ Patent 8,615,218 granted on 2013-12-24
US20070281665A1
Electricity

Method for requesting, generating and distributing service-specific traffic encryption key in wireless portable internet system, apparatus for the same, and protocol configuration method for the same

#32 | 2007-11-29 ✅ Patent 7,752,519 granted on 2010-07-06
US20070277074A1
Electricity

Method for creating feedback message for ARQ in mobile communication system

#33 | 2007-11-29 ✅ Patent 7,738,544 granted on 2010-06-15
US20070274377A1
Electricity

Apparatus and method for measuring received signal strength indicator, and recording medium storing program embodying the same method

#34 | 2007-11-29 ✅ Patent 8,155,104 granted on 2012-04-10
US20070274265A1
Electricity

Method for preamble-based bandwidth request in wireless portable internet system

#35 | 2007-11-29 ✅ Patent 7,912,467 granted on 2011-03-22
US20070274244A1
Electricity

Method and apparatus for controlling power saving mode in wireless portable internet system

#36 | 2007-11-15 ✅ Patent 7,796,695 granted on 2010-09-14
US20070263743A1
Electricity

Method for allocating data and pilots, and transmitting method and device and receiving method and device using the same in orthogonal frequency division multiple access system

#37 | 2007-11-01 ✅ Patent 8,018,911 granted on 2011-09-13
US20070254595A1
Electricity

Method for requesting and reporting channel quality information in wireless portable internet system

#38 | 2007-10-25 ✅ Patent 7,782,977 granted on 2010-08-24
US20070248197A1
Electricity

Automatic gain control apparatus and method in orthogonal frequency division multiplexing

#39 | 2007-10-25 ✅ Patent 8,068,510 granted on 2011-11-29
US20070248002A1
Electricity

Demodulation apparatus for efficiently embodying adaptive modulation and coding method in OFDMA based packet communication system and method thereof

#40 | 2007-09-13 ✅ Patent 7,499,144 granted on 2009-03-03
US20070211190A1
Physics

Apparatus for injecting liquid crystal into hollow fiber and method thereof

#41 | 2007-09-13 ✅ Patent 8,140,054 granted on 2012-03-20
US20070210894A1
Electricity

Method for authenticating subscriber station, method for configuring protocol thereof, and apparatus thereof in wireless portable internet system

#42 | 2007-08-16 ✅ Patent 7,761,112 granted on 2010-07-20
US20070189047A1
Electricity

Power control method for uplink in mobile communication and apparatus thereof

#43 | 2007-08-09 ✅ Patent 7,778,338 granted on 2010-08-17
US20070183518A1
Electricity

Method and apparatus for estimating timing error and frequency offset of MIMO system

#44 | 2007-08-02 ✅ Patent 7,552,143 granted on 2009-06-23
US20070180486A1
Electricity

Method and system for providing multimedia content to multiple clients

#45 | 2007-07-19 ✅ Patent 7,477,190 granted on 2009-01-13
US20070164902A1
Electricity

Smart antenna beamforming device in communication system and method thereof

#46 | 2007-07-05 ✅ Patent 7,873,364 granted on 2011-01-18
US20070155398A1
Electricity

Apparatus and method for accounting in wireless communication system

#47 | 2007-07-05 ✅ Patent 7,904,070 granted on 2011-03-08
US20070155378A1
Electricity

Method and device for searching and deallocating abnormal terminal in wireless portable internet system

#48 | 2007-07-05 ✅ Patent 7,593,754 granted on 2009-09-22
US20070155352A1
Electricity

Receiving apparatus and receiving method of communication system with multiple antennas

#49 | 2007-07-05 ✅ Patent 7,848,513 granted on 2010-12-07
US20070154017A1
Electricity

Method for transmitting security context for handover in portable internet system

#50 | 2007-07-05 ✅ Patent 7,936,832 granted on 2011-05-03
US20070153927A1
Electricity

Receiver apparatus of the adaptive ICI cancellation iterative receiver in wireless communication system and ICI cancellation method

#51 | 2007-07-05 ✅ Patent 8,059,598 granted on 2011-11-15
US20070153685A1
Electricity

Wireless communication system and method for managing service flow identifier in the same

#52 | 2007-06-28 ✅ Patent 7,940,858 granted on 2011-05-10
US20070147537A1
Electricity

Apparatus and method for calibration in a communication system

#53 | 2007-06-28 ✅ Patent 7,742,391 granted on 2010-06-22
US20070147225A1
Electricity

Apparatus and method for estimating frequency offset

#54 | 2007-06-21 ✅ Patent 8,300,621 granted on 2012-10-30
US20070140104A1
Electricity

System and method for timing acquisition and carrier frequency offset estimation in wireless communication based on OFDM

#55 | 2007-06-14 ✅ Patent 7,860,238 granted on 2010-12-28
US20070135177A1
Electricity

Communication terminal and additional function module thereof

#56 | 2007-06-14 ✅ Patent 7,782,989 granted on 2010-08-24
US20070133728A1
Electricity

Apparatus and method for acquiring frame timing in communication system

#57 | 2007-06-14 ✅ Patent 8,077,792 granted on 2011-12-13
US20070133708A1
Electricity

Method and apparatus for allocating transmission power in communication system with multiple antennas

#58 | 2007-06-14 ✅ Patent 7,929,621 granted on 2011-04-19
US20070133703A1
Electricity

Terminal demodulation apparatus and method

#59 | 2007-06-14 ✅ Patent 7,848,755 granted on 2010-12-07
US20070133470A1
Electricity

Method for recovering ARQ data in wireless portable internet system

#60 | 2007-06-14 ✅ Patent 8,199,738 granted on 2012-06-12
US20070133460A1
Electricity

Apparatus and method for processing ranging channel of communication system

#61 | 2007-06-14 ✅ Patent 7,929,566 granted on 2011-04-19
US20070133402A1
Electricity

Terminal and method for managing bandwidth of terminal

#62 | 2007-06-07 ✅ Patent 8,094,549 granted on 2012-01-10
US20070127375A1
Electricity

Apparatus and method for classifying quality-of-service of packet in portable internet system

#63 | 2007-05-31 ✅ Patent 7,738,420 granted on 2010-06-15
US20070121666A1
Electricity

Apparatus and method for allocating subchannel and power in communication system, and transmitting apparatus

#64 | 2007-05-31 ✅ Patent 7,873,050 granted on 2011-01-18
US20070121636A1
Electricity

Apparatus and method for downlink packet scheduling in base station of a portable internet system

#65 | 2007-05-24 ✅ Patent 7,962,131 granted on 2011-06-14
US20070115862A1
Electricity

Channel mode converting method of a wireless portable internet system

#66 | 2007-05-01 ✅ Patent 7,212,671 granted on 2007-05-01
US10482234
-

Method of extracting shape variation descriptor for retrieving image sequence

#67 | 2007-04-19 ✅ Patent 7,765,459 granted on 2010-07-27
US20070089043A1
Electricity

Viterbi decoder and viterbi decoding method

#68 | 2007-04-19 ✅ Patent 7,729,665 granted on 2010-06-01
US20070086367A1
Electricity

Down-link data transmission and receiving system and method of ARQ in wireless communication system

#69 | 2007-03-29 ✅ Patent 7,406,000 granted on 2008-07-29
US20070070812A1
Physics

Positioning system using ultrasonic waves and method for operating the same

#70 | 2007-03-01 ✅ Patent 7,680,458 granted on 2010-03-16
US20070049199A1
Electricity

Interference cancellation method and module for OFDMA mobile communication system

#71 | 2006-06-20 ✅ Patent 7,065,368 granted on 2006-06-20
US10334499
-

Method for correcting NLOS error in wireless positioning system

#72 | 2006-02-23 ✅ Patent 7,349,674 granted on 2008-03-25
US20060040620A1
Electricity

Apparatus and method for separating transmit and receive signals for time division duplexing radio system

#73 | 2006-01-05 ✅ Patent 7,286,829 granted on 2007-10-23
US20060003774A1
Electricity

Base station selecting method in wireless network

#74 | 2005-10-13 ✅ Patent 7,463,606 granted on 2008-12-09
US20050226186A1
Electricity

Method for establishing a MIP and performing handoff by a mobile node

#75 | 2005-07-12 ✅ Patent 6,917,811 granted on 2005-07-12
US10329268
-

Method for dynamically assigning channel in real time based on genetic algorithm

#76 | 2005-06-30 ✅ Patent 7,428,267 granted on 2008-09-23
US20050141626A1
Electricity

Uplink channel estimation system for orthogonal frequency division multiple access system and method thereof

#77 | 2005-06-30 ✅ Patent 7,359,366 granted on 2008-04-15
US20050141474A1
Electricity

Uplink ranging system and method in OFDMA system

#78 | 2005-06-23 ✅ Patent 7,515,641 granted on 2009-04-07
US20050135230A1
Electricity

Apparatus and method for processing ranging channel in orthogonal frequency division multiple access system

#79 | 2005-06-09 ✅ Patent 7,286,831 granted on 2007-10-23
US20050122942A1
Electricity

Method of balancing load and method of setting up call using the same in general packet radio service network

#80 | 2005-05-26 ✅ Patent 7,194,250 granted on 2007-03-20
US20050113065A1
Electricity

Method of providing credit card calling service based on camel in UMTS

AssigneeID:

394587 ⎘