Inventor · disambiguated record
Sang-Gug Lee
Also filed as: LEE SANG G · LEE SANG GUG
46 granted patents·15 pending applications·431 citations·filing 1988–2022
98Inventor score
Files withKOREA ADVANCED INST SCI & TECH14SAMSUNG ELECTRONICS CO LTD9KOREA ELECTRONICS TELECOMM7UNIV INFORMATION & COMM6KIM JI-HUN3
Top patents by PatentIndex Score
61 records- 0195US6892062B2Current-reuse bleeding mixerUNIV INFORMATION & COMM·Filed 2001·Granted May 10, 2005·98 cites·7 claims
- 0294US8120518B2Digital feedforward sigma-delta modulator in analog-to-digital converter and modulation method thereofJANG YEONG-SHIN·Filed 2010·Granted Feb 21, 2012·96 cites·13 claims
- 0390US7986192B2Harmonic rejection mixer and harmonic rejection mixing methodSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Jul 26, 2011·16 cites·30 claims
- 0490US6380835B1Symmetric multi-layer spiral inductor for use in RF integrated circuitsINFORMATON AND COMM UNIVERSITY·Filed 2000·Granted Apr 30, 2002·54 cites·16 claims
- 0580US7616061B2Low noise amplifier for ultra wide bandSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Nov 10, 2009·8 cites·11 claims
- 0680US5809410ALow voltage RF amplifier and mixed with single bias block and methodHARRIS CORP·Filed 1993·Granted Sep 15, 1998·29 cites·1 claims
- 0779US8285243B2Wake-up receiver and wake-up method using duty cycling and power off techniqueKANG HO-YONG·Filed 2008·Granted Oct 9, 2012·11 cites·14 claims
- 0872US9923453B1Power management device for energy harvestingKOREA ADVANCED INST SCI & TECH·Filed 2017·Granted Mar 20, 2018·3 cites·10 claims
- 0972US7199675B2Source-injection parallel coupled LC-quadrature voltage controlled oscillatorUNIV INFORMATION & COMM·Filed 2004·Granted Apr 3, 2007·18 cites·4 claims
- 1071US7557657B2Variable gain amplifier with wide gain variation and wide bandwidthSAMSUNG ELECTRO MECH·Filed 2007·Granted Jul 7, 2009·8 cites·16 claims
- 1170US9985466B2Optimized battery charging method based on thermodynamic information of batteryKOREA ADVANCED INST SCI & TECH·Filed 2016·Granted May 29, 2018·3 cites·16 claims
- 1268US6605996B2Automatically gain controllable linear differential amplifier using variable degeneration resistorKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Aug 12, 2003·11 cites·8 claims
- 1367US7123112B2Complementary voltage controlled oscillatorNEOREACH INC·Filed 2004·Granted Oct 17, 2006·9 cites·27 claims
- 1466US7928806B2Low voltage frequency synthesizer using boosting method for power supply voltage of charge pumpKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Apr 19, 2011·6 cites·12 claims
- 1565US10199917B2Current mode hysteretic buck converter with auto-selectable frequency locking circuitKOREA ADVANCED INST SCI & TECH·Filed 2017·Granted Feb 5, 2019·1 cites·19 claims
- 1665US9341709B2Image sensing device and focal plane array device using frequency conversion for real-time terahertz imagingKOREA ADVANCED INST SCI & TECH·Filed 2014·Granted May 17, 2016·3 cites·15 claims
- 1765US7741922B2Switch, negative resistance cell, and differential voltage controlled oscillator using the sameKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Jun 22, 2010·4 cites·20 claims
- 1864US8660439B2Digital automatic gain control apparatus and method in burst mode optical receiverKANG HO-YONG·Filed 2006·Granted Feb 25, 2014·3 cites·15 claims
- 1964US7304548B2Differential voltage controlled oscillator using complementary transistors cross-coupled in series, and transceiver using the sameUNIV INFORMATION & COMM·Filed 2005·Granted Dec 4, 2007·4 cites·10 claims
- 2060US9306777B2Direct conversion receiver including a charge area decimation filterKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Apr 5, 2016·1 cites·8 claims
- 2160US7847636B2Low noise amplifier for ultra wide bandSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Dec 7, 2010·3 cites·11 claims
- 2259US8674709B2Circuit and method for measuring capacitance value of touch screenKIM JI HUN·Filed 2011·Granted Mar 18, 2014·1 cites·17 claims
- 2359US8170523B2Super regenerative receiver and method of saving power of the sameKANG HOYONG·Filed 2008·Granted May 1, 2012·3 cites·11 claims
- 2459US7539424B2Burst mode optical receiver for maintaining constant signal amplitudeKOREA ELECTRONICS TELECOMM·Filed 2003·Granted May 26, 2009·6 cites·3 claims
- 2558US8222944B2DC offset cancellation circuitLEE YOUNG JAE·Filed 2010·Granted Jul 17, 2012·2 cites·11 claims
- 2658US7319366B2Offset local oscillator without using frequency dividerRES & IND COOPERATION GROUP·Filed 2006·Granted Jan 15, 2008·3 cites·11 claims
- 2757US8106718B2GM-boosted differential drain-to-source feedback colpitts voltage controlled oscillatorLEE SANG-GUG·Filed 2010·Granted Jan 31, 2012·2 cites·11 claims
- 2856US7536163B2Apparatus and method generating multi RF tone signals in UWB communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted May 19, 2009·2 cites·9 claims
- 2956US7145409B2Low power quadrature voltage controlled oscillator using back gateUNIV INFORMATION & COMM·Filed 2004·Granted Dec 5, 2006·8 cites·6 claims
- 3055US7817737B2Method of generating multi-channel local oscillation frequenciesSAMSUNG ELECTRO MECH·Filed 2007·Granted Oct 19, 2010·1 cites·7 claims
- 3155US7369781B2Burst mode optical receiver considering characteristic of extinction ratio of received optical signalKOREA ELECTRONICS TELECOMM·Filed 2003·Granted May 6, 2008·4 cites·18 claims
- 3254US12514120B2Power management integrated circuit for harvesting energy and energy harvesting system including the sameKOREA ADVANCED INST SCI & TECH·Filed 2022·Granted Dec 30, 2025·0 cites·16 claims
- 3351US10161804B2Electromagnetic wave oscillator, plasma wave power extractor and electromagnetic wave detectorULSAN NAT INST SCIENCE & TECH UNIST·Filed 2014·Granted Dec 25, 2018·0 cites·18 claims
- 3449US12206368B2High-gain amplifier based on dual-gain boostingKOREA ADVANCED INST SCI & TECH·Filed 2021·Granted Jan 21, 2025·0 cites·3 claims
- 3545US9625322B2Antenna module for transmitting or receiving terahertz waves and focal plane array structure for real-time terahertz imagingKOREA ADVANCED INST SCI & TECH·Filed 2014·Granted Apr 18, 2017·0 cites·13 claims
- 3645US8300744B2Apparatus for rejecting image in receiverKIM SUN A·Filed 2010·Granted Oct 30, 2012·1 cites·8 claims
- 3745US2006173944A1Exponential function generatorSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3843US9748932B2Phase locked loop using received signalSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Aug 29, 2017·0 cites·12 claims
- 3943US2011150138A1High linearity mixer and direct conversion receiver using the sameKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 4043US2008142945A1Semiconductor package with redistribution layer of semiconductor chip directly contacted with substrate and method of fabricating the sameSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 4142US9160275B2Envelope detection apparatus dynamically controlled in response to input signal and envelope detection method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2012·Granted Oct 13, 2015·0 cites·22 claims
- 4242US2013272341A1Temperature sensor and temperature measurement method thereofINST OF SCIENCE AND TECHNOLOGY KOREA ADVANCED·Filed 2013·Application pending·0 cites
- 4340US7389098B2Heterodyne receiver for low noise and image frequency repressionUNIV INFORMATION & COMM·Filed 2004·Granted Jun 17, 2008·1 cites·5 claims
- 4440US2007247242A1Quadrature voltage-controlled oscillatorRES & IND COOPERATION GROUP·Filed 2007·Application pending·0 cites
- 4539US11665032B2Method and apparatus for modulating/demodulating an FSK signalKOREA ADVANCED INST SCI & TECH·Filed 2019·Granted May 30, 2023·0 cites·10 claims
- 4639US5686822AMethod of making a reference current generatorHARRIS CORP·Filed 1996·Granted Nov 11, 1997·6 cites·15 claims
- 4739US2011279407A1Circuit for processing touch line signal of touch screenKIM JI-HUN·Filed 2011·Application pending·0 cites
- 4839US2009072905A1Variable gain amplifier having wide gain variation and wide bandwidthSAMSUNG ELECTRO MECH·Filed 2008·Application pending·0 cites
- 4938US4873363AProcess for the preparation of 3-(4'-bromobiphenyl-4-yl)tetralin-1-oneKOREA ADVANCED INST SCI & TECH·Filed 1988·Granted Oct 10, 1989·1 cites·8 claims
- 5038US2013165059A1Beamforming apparatus and method in mobile communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2012·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →