Inventor · disambiguated record
Heyung Sub Lee
Also filed as: LEE HEYUNG S · LEE HEYUNG SUB
28 granted patents·27 pending applications·170 citations·filing 1988–2013
95Inventor score
Top patents by PatentIndex Score
55 records- 0187US7382726B2Node system, dual ring communication system using node system, and communication method thereofKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jun 3, 2008·55 cites·22 claims
- 0286US8050562B2Apparatus for implementing electro-optical CATV network and signal processing method used by the apparatusKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Nov 1, 2011·11 cites·14 claims
- 0384US8967457B2Total history management system and method using radio frequency identification (RFID) tag and barcodeSHIN DONG BEOM·Filed 2012·Granted Mar 3, 2015·8 cites·8 claims
- 0478US8791857B2System and method for indoor location tracking using pseudo GPS signal transmitterMO SANG HYUN·Filed 2011·Granted Jul 29, 2014·8 cites·4 claims
- 0574US9054881B2Radio frequency identification (RFID) tag and interrogator for supporting normal mode and secure mode, and operation method thereofLEE SANG YEOUN·Filed 2011·Granted Jun 9, 2015·4 cites·13 claims
- 0671US8274374B2Synchronization method between reader and tagKIM HYUNSEOK·Filed 2008·Granted Sep 25, 2012·5 cites·14 claims
- 0765US8878650B2RFID security readerSHIN DONG-BEOM·Filed 2011·Granted Nov 4, 2014·2 cites·10 claims
- 0865US8633803B2Apparatus and method for locating RFID tagMO SANG-HYUN·Filed 2009·Granted Jan 21, 2014·3 cites·14 claims
- 0965US8587409B2Radio security leader controlling operation mode, and radio security tag supporting security mode and normal modeLEE SANG YEOUN·Filed 2011·Granted Nov 19, 2013·2 cites·6 claims
- 1065US8314703B2Apparatus and method for managing product distribution using security tagLEE KANG BOK·Filed 2009·Granted Nov 20, 2012·1 cites·9 claims
- 1165US7436852B2Resource allocation method for providing load balancing and fairness for dual ringKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Oct 14, 2008·10 cites·15 claims
- 1262US9004367B2Radio frequency identification (RFID) tag and method of updating key of RFID tagKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Apr 14, 2015·1 cites·10 claims
- 1362US7301912B2Method and apparatus for determining communication path over network by using spanning tree and circuit detectionKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Nov 27, 2007·8 cites·8 claims
- 1461US8519827B2Method of generating activation code for radio frequency identification tagKIM HYUNSEOK·Filed 2008·Granted Aug 27, 2013·2 cites·11 claims
- 1560US7610608B2Digital broadcast system in passive optical networkKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Oct 27, 2009·4 cites·13 claims
- 1660US7403494B2Method for generating nodes in multiway search tree and search method using the sameKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Jul 22, 2008·6 cites·5 claims
- 1758US6931507B2Memory allocation method using multi-level partitionELECT & TELECOMM RESEARCH INST·Filed 2002·Granted Aug 16, 2005·6 cites·8 claims
- 1858US5013686AMethod of making semiconductor devices having ohmic contactSAMSUNG ELECTRONICS CO LTD·Filed 1988·Granted May 7, 1991·16 cites·15 claims
- 1955US8442167B2Multistage channel estimation method and apparatusMYONG SEUNG IL·Filed 2008·Granted May 14, 2013·1 cites·10 claims
- 2054US4965214AMethod for manufacturing poly-crystal sillicon having high resistanceSAMSUNG ELECTRONICS CO LTD·Filed 1988·Granted Oct 23, 1990·17 cites·21 claims
- 2152US2009136833A1Case film for pouch type lithium primary batteryKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 2250US8607333B2Radio frequency identification (RFID) security apparatus having security function and method thereofLEE SANG YEOUN·Filed 2009·Granted Dec 10, 2013·0 cites·11 claims
- 2349US2011037568A1Rfid reader, rfid tag, and controlling method thereofKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 2448US2009058604A1Rfid tag and method for controlling the sameKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 2548US2010146273A1Method for passive rfid security according to security modeKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 2648US2010253483A1Freight container cargo-working management system and method using rfid technologyKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 2747US2005183131A1System and method for providing integrated communications and broadcasting serviceFiled 2004·Application pending·0 cites
- 2847US2010014673A1Radio frequency identification (rfid) authentication apparatus having authentication function and method thereofKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 2946US9030217B2Semiconductor wafer and method for auto-calibrating integrated circuit chips using PLL at wafer levelKIM HYUNSEOK·Filed 2012·Granted May 12, 2015·0 cites·7 claims
- 3046US8779896B2RFID reader and method for controlling gain thereofSHIN DONG-BEOM·Filed 2010·Granted Jul 15, 2014·0 cites·16 claims
- 3146US8405487B2RFID sensor tag and sensor data storing methodLEE KANG-BOK·Filed 2009·Granted Mar 26, 2013·0 cites·12 claims
- 3245US2005188405A1System and method of providing integrated communications and broadcasting serviceKOREA ELECTRONICS TELECOMM·Filed 2004·Application pending·0 cites
- 3345US2005030961A1Ring selection method for dual ring networkFiled 2003·Application pending·0 cites
- 3444US2005068914A1Broadcasting and communication combining system based on Ethernet and method thereofFiled 2004·Application pending·0 cites
- 3544US2004264961A1Ethernet passive optical network system, and optical network terminal and optical line terminal provided in the sameFiled 2004·Application pending·0 cites
- 3644US2010265070A1Apparatus and method that prevent collision of tags in rfid systemKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 3743US8787514B2Apparatus and method for generating pseudo noise codeMYONG SEUNG IL·Filed 2008·Granted Jul 22, 2014·0 cites·3 claims
- 3843US8422593B2Parallel automatic frequency offset estimation method and apparatusMYONG SEUNG-IL·Filed 2009·Granted Apr 16, 2013·0 cites·9 claims
- 3943US2005094660A1Optical network unit and method for servicing ethernet-based digital broadcastingFiled 2004·Application pending·0 cites
- 4043US2010308972A1Communication method for radio frequency identificationKIM HYUNSEOK·Filed 2009·Application pending·0 cites
- 4143US2014145832A1Rfid tag including multi-voltage multipliers and operating method thereofKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 4242US8401053B2Active RFID apparatus for improving PN code generationCHA JONG-SUB·Filed 2009·Granted Mar 19, 2013·0 cites·12 claims
- 4342US2010127934A1Positioning system, communication signal receiver for positioning system, and position calculation methodKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 4442US2004073699A1Dynamic routing method for multistage bus networks in distributed shared memory environmentFiled 2003·Application pending·0 cites
- 4542US2010125761A1System and method for wafer-level adjustment of integrated circuit chipsKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 4641US2008131124A1Method and apparatus for partial duplex protection switching by using single splitter in ponKOREA ELECTRONICS TELECOMM·Filed 2007·Application pending·0 cites
- 4741US2011095869A1Method and apparatus for real time location tracking using rfidKOREA ELECTRONICS TELECOMM·Filed 2008·Application pending·0 cites
- 4840US2013278305A1Semiconductor wafer and method for auto-calibrating integrated circuit chips at wafer levelKIM HYUNSEOK·Filed 2012·Application pending·0 cites
- 4939US2012032843A1Relay tag, location computation reader, continuous indoor and outdoor real-time location tracking method and system using global positioning system (gps) signal and wireless communicationLEE HEYUNG SUB·Filed 2011·Application pending·0 cites
- 5038US2011140853A1Rfid reader and signal receiving method thereofKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Heyung Sub Lee files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →