Inventor
Kwang-Chun Lee
Inventor
Daejeon, KR
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication22%
H04BTransmission18%
H03FAmplifiers9%
H04WWireless communication networks9%
H03GControl of amplification7%
H01QAntennas, i.e. radio aerials6%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses5%
H03CModulation4%
H03KPulse technique4%
H03MCoding2%
PatentTitleYear
11,038,265Semiconductor-based beamforming antenna20219,806,406'Plasma antenna'20179,577,337'Dual-polarized antenna for mobile communication base station'20179,231,639'High frequency transceiver'20169,210,005'Apparatus and method for generating differential signal, and transmission apparatus and method having the same'20159,083,360'Lock detecter and clock generator having the same'20159,014,281'Delta-sigma modulator and transmitter including the same'20158,841,951'Apparatus for controlling duty ratio of signal'20148,792,395'Wireless transceiver system for supporting dual mode'20148,791,685'Bandgap reference voltage generator'20148,767,853'Apparatus and method for controlling distortion signal and system by using the same'20148,693,572'Method for transmitting signal of orthogonal frequency division multiplexing type, and apparatus applied to the same'20148,620,375'Method and apparatus for supporting discontinuous operation of base station in wireless communication system and control system thereof'20138,588,838'Apparatus and method for controlling power in mobile communication system'20138,521,081'Repeating apparatus and method in wireless communication system'20138,509,714'Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same'20138,477,866'Calibration method for Tx/Rx path characteristic of channel sounder'20138,433,268'Apparatus and method for controlling gain of polar transmitter'20138,421,534'Predistorter for compensating for nonlinear distortion and method thereof'20138,391,406'Apparatus and method for amplifying signal and wireless transmitter using the same'20138,369,033'Method of manufacturing lens and lens manufactured using the same'20138,233,845'Method for measuring variable bandwidth wireless channel and transmitter and receiver therefor'20128,213,891'Gain control apparatus and method in receiver of multiband OFDM system'20128,174,328'Dual-band wideband local oscillation signal generator'20128,165,250'Automatic gain control device, signal receiving apparatus, and signal receiving method'20128,140,020'Radio frequency calibration apparatus and method for multi-antenna mobile communication system'20128,112,040'Method for measuring variable bandwidth wireless channel and transmitter and receiver therefor'20128,102,209'CMOS variable gain amplifier'20128,102,214'Controlled-gain wideband feedback low noise amplifier'20128,018,278'Pre-distortion apparatus of power amplifier and method thereof'20117,974,180'Transmitting/receiving apparatus of wideband wireless channel apparatus using multiple carriers'20117,929,639'Device for compensating radio frequency distortion in orthogonal frequency division multiplexing transmission system and method thereof'20117,911,986'Apparatus and method for measuring bi-directional radio channel having multiple antenna'20117,840,200'Antenna matching device and transceiver having the same'20107,817,566'Wired MIMO link tester'20107,671,692'Apparatus and method for compensating carrier feedthrough in quadrature modulation system'20107,612,618'PLL apparatus for OFDM system having variable channel bands and operating method thereof'20097,518,563'Windmill-shaped loop antenna having parasitic loop antenna'20097,460,833'Transmitting apparatus of communication system'20087,349,674'Apparatus and method for separating transmit and receive signals for time division duplexing radio system'20087,324,059'Stub printed dipole antenna (SPDA) having wide-band and multi-band characteristics and method of designing the same'20086,384,837'Symbol color compensating method for color display system'20026,341,147'Maximum likelihood symbol timing estimator'20026,169,536'Color picture quality compensation circuit and related control method thereof'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2013Based in Kyungki-do, KR· patent location history
2002Based in Kumi, KR· patent location history
2002Based in Gumi-si, KR· patent location history
2008–2015Patents assigned to KOREA ELECTRONICS TELECOMM (36)· patent assignee history
2008–2014Patents assigned to SAMSUNG ELECTRONICS CO LTD (7)· patent assignee history
2008–2021Based in Daejeon, KR· patent location history
2008–2013Based in Daejon, KR· patent location history
2012–2014Patents assigned to LEE KWANG-CHUN (14)· patent assignee history
2012–2014Patents assigned to KWON HEON-KOOK (7)· patent assignee history
2012–2014Patents assigned to KIM JOON-HYUNG (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 36 | 2008–2015 |
| LEE KWANG-CHUNself | 14 | 2012–2014 |
| KWON HEON-KOOK | 7 | 2012–2014 |
| SAMSUNG ELECTRONICS CO LTD | 7 | 2008–2014 |
| KIM JOON-HYUNG | 6 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 29 | 2008–2021 |
| Daejon, KR | 11 | 2008–2013 |
| Kyungki-do, KR | 2 | 2001–2013 |
| Kumi, KR | 1 | 2002 |
| Gumi-si, KR | 1 | 2002 |