Inventor
Jae Ick Choi
Inventor
Daejeon, KR
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Qprimary
H01QAntennas, i.e. radio aerials22%
H04LTransmission of digital information, e.g. telegraphic communication18%
H04BTransmission16%
H04WWireless communication networks10%
H01PWaveguides4%
H03JTuning resonant circuits4%
A61BDiagnosis3%
B29DProducing particular articles from plastics or from substances in a plastic state1%
F16HGearing1%
G01RMeasuring electric variables1%
PatentTitleYear
10,470,668Contactless cardiopulmonary signal estimation method and apparatus201910,454,534Communication method using interference alignment in wireless LAN20199,838,090Communication method using interference alignment in wireless LAN20179,814,093'Data frame structure and operation method for sharing unlicensed spectrum in wireless communication system and apparatus thereof'20179,591,654'Wireless communication apparatus for reducing interference with neighboring cell and method of reducing interference thereof'20179,553,710'Methods and an apparatus for carrier aggregation'20179,467,320'Method and system for performing initial ranging in cognitive radio network'20169,306,724'Apparatus and method for avoiding interference between access points'20169,288,090'Spectrum sensing method and spectrum sensing device'20169,270,360'Signal transmitting/receiving apparatus and method for controlling polarization'20169,236,922'Method of communicating between base station and terminal based on interference alignment in multi-cell multi-user multiple-input multiple-output (MIMO) interference channel and method and apparatus of communication using interference alignment and block successive interference pre-cancellation in multi-user multiple-input multiple-output interference channel'20169,191,963'Carrier aggregation apparatus for efficiently utilizing frequency resource of license band and shareable bands, and operation method thereof'20159,106,495'Wireless communication method and apparatus based on channel function'20159,071,497'Apparatus and method for modulation classification in wireless communication system'20158,811,525'Dual polarization antenna and method for transmitting and receiving signal using the same'20148,779,976'Antenna system having adaptive polarization control'20148,774,303'Wireless communication method and apparatus using adaptive transmission polarization control'20148,729,980'Band-pass filter based on CRLH resonator and duplexer using the same'20148,600,140'Image reconstruction apparatus and method for reconstructing image of microwave tomography thereof'20138,525,731'Small antenna using SRR structure in wireless communication system and method for manufacturing the same'20138,350,759'Antenna having metamaterial superstrate and providing gain improvement and beamforming together'20138,344,828'Metamaterial transmission line apparatus and method of implementing the same'20138,325,104'Dipole tag antenna structure mountable on metallic objects using artificial magnetic conductor for wireless identification and wireless identification system using the dipole tag antenna structure'20128,213,089'Projecting type hyper-lens and method of manufacturing the same'20128,188,744'Method and apparatus for detecting or transmitting magnetic field using detachable magnetic resonator'20128,104,691'Tag antenna structure for wireless identification and wireless identification system using the tag antenna structure'20128,098,213'Frequency selective surface structure for filtering of single frequency band'20127,782,257'Multi-band internal antenna of symmetry structure having stub'20107,675,288'Tunable magnetic field amplifying device'20107,106,264'Broadband slot antenna and slot array antenna using the same'20067,099,631'Mobile phone having reduced specific absorption rate (SAR) using an antenna housed to ensure enhanced antenna gain'20067,057,572'Horn antenna system having a strip line feeding structure'20066,965,345'Method for designing multiband antenna using genetic algorithm device linked to full electromagnetic wave analyzing device'20056,946,995'Microstrip patch antenna and array antenna using superstrate'20056,683,566'Electronic active phase control array antenna, method for compensating for direction differences at the antenna, and satellite tracking system and method using the antenna'20046,438,361'Apparatus and method for automatic selection of broadband frequency channel using double frequency conversion'20026,232,837'Optimal control method for adaptive feedforward linear amplifier'20016,124,832'Structure of vehicular active antenna system of mobile and satellite tracking method with the system'20005,497,402'Automatic frequency control device for satellite communications ground system'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2016Patents assigned to KOREA ELECTRONICS TELECOMM (32)· patent assignee history
1996–2019Based in Daejeon, KR· patent location history
2000–2012Based in Daejon, KR· patent location history
2001–2002Based in Taejon, KR· patent location history
2012–2014Patents assigned to CHOI JAE-ICK (9)· patent assignee history
2012–2014Patents assigned to KIM DONG-HO (5)· patent assignee history
2012–2014Patents assigned to CHOI JAE ICK (4)· patent assignee history
2016–2019Patents assigned to ELECTRONICS & TELECOMMUNICATIONS RES INST (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 32 | 1996–2016 |
| CHOI JAE-ICKself | 9 | 2012–2014 |
| ELECTRONICS & TELECOMMUNICATIONS RES INST | 7 | 2016–2019 |
| KIM DONG-HO | 5 | 2012–2014 |
| CHOI JAE ICKself | 4 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 29 | 1996–2019 |
| Daejon, KR | 8 | 2000–2012 |
| Taejon, KR | 2 | 2001–2002 |