Inventor · disambiguated record
Cheol Sig Pyo
Also filed as: PYO CHEOL S · PYO CHEOL SIG
136 granted patents·107 pending applications·1,623 citations·filing 1994–2022
99Inventor score
Files withKOREA ELECTRONICS TELECOMM125ELECTRONICS & TELECOMMUNICATIONS RES INST30KIM HYUNSEOK5KIM SE HAN4LEE IN-HWAN4
Top patents by PatentIndex Score
243 records- 0197US10499405B2Method for allocating resources in wireless LAN system and wireless LAN systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Dec 3, 2019·12 cites·5 claims
- 0297US8098201B2Radio frequency identification tag and radio frequency identification tag antennaCHOI WON KYU·Filed 2008·Granted Jan 17, 2012·232 cites·13 claims
- 0396US9130262B2Direction control antenna and method of controlling the sameKOREA ELECTRONICS TELECOMM·Filed 2012·Granted Sep 8, 2015·54 cites·7 claims
- 0495US8102263B2Passive tag including volatile memoryYEO JUNHO·Filed 2007·Granted Jan 24, 2012·232 cites·6 claims
- 0595US7969913B2Localization apparatus for recognizing location of node in sensor network and method thereofKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Jun 28, 2011·57 cites·13 claims
- 0695US7928840B2Method and system for preventing loss or theft using wireless PAN or LANKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Apr 19, 2011·149 cites·16 claims
- 0794US7675403B2Method for estimating number of tags in slotted aloha-based RFID systemKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Mar 9, 2010·39 cites·2 claims
- 0892US10833888B2IoT device plug-in method and device in data analysis-based automation systemsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Nov 10, 2020·12 cites·21 claims
- 0992US7161357B2Apparatus for measuring read range between RFID tag and readerKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Jan 9, 2007·23 cites·20 claims
- 1091US7894771B2Method for selecting desired item information in mobile terminalELECTRONICS AND TELECOMMUNCIATIONS RES INST·Filed 2006·Granted Feb 22, 2011·34 cites·6 claims
- 1191US7427955B2Dual polarization antenna and RFID reader employing the sameKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Sep 23, 2008·31 cites·11 claims
- 1290US8026850B2Apparatus and method for computing location of a moving beacon using time difference of arrival and multi-frequenciesKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Sep 27, 2011·41 cites·9 claims
- 1389US8471525B2Apparatus and method for charging internal battery in wireless sensor networkKIM SE HAN·Filed 2010·Granted Jun 25, 2013·20 cites·14 claims
- 1488US7538678B2Data storing apparatus and method for RFID tags with sensorsKOREA ELECTRONICS TELECOMM·Filed 2006·Granted May 26, 2009·25 cites·12 claims
- 1587US11070488B2System and method to control a cross domain workflow based on a hierarchical engine frameworkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Jul 20, 2021·6 cites·12 claims
- 1687US10070448B2Method for allocating resources in wireless LAN system and wireless LAN systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Sep 4, 2018·3 cites·5 claims
- 1786US7991871B2RFID tag for IP address-based RFID service and RFID service method using the sameKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Aug 2, 2011·16 cites·6 claims
- 1885US7545328B2Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedance matching method thereofKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Jun 9, 2009·17 cites·29 claims
- 1984US8967457B2Total 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
- 2084US8102794B2Cross-layer routing method in wireless sensor networkSHIN CHANG SUB·Filed 2008·Granted Jan 24, 2012·16 cites·5 claims
- 2183US7995508B2Energy saving method in wireless networkELECT & TELECOMM RESEARCH INST·Filed 2008·Granted Aug 9, 2011·10 cites·12 claims
- 2283US7697458B2Node for self localization, clustering method using the same, and localization methodKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Apr 13, 2010·12 cites·13 claims
- 2383US7592917B2RFID system and method for protecting informationKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Sep 22, 2009·11 cites·14 claims
- 2483US6124832AStructure of vehicular active antenna system of mobile and satellite tracking method with the systemKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Sep 26, 2000·82 cites·9 claims
- 2582US8121080B2Beacon scheduling system and method for preventing beacon overlappingHAM YOUNG-HWAN·Filed 2007·Granted Feb 21, 2012·15 cites·7 claims
- 2682US8040828B2Method for managing dormant nodes in wireless sensor networkKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Oct 18, 2011·10 cites·14 claims
- 2781US7825791B2Distributional alert system for disaster prevention utilizing ubiquitous sensor networkKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Nov 2, 2010·16 cites·15 claims
- 2881US7504998B2PIFA and RFID tag using the sameKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Mar 17, 2009·13 cites·24 claims
- 2980US7414583B2PIFA, RFID tag using the same and antenna impedance adjusting method thereofKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Aug 19, 2008·12 cites·27 claims
- 3079US8285243B2Wake-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
- 3179US8228934B2Method of performing routing and allocating resources in wireless sensor networkJEONG WUN-CHEOL·Filed 2008·Granted Jul 24, 2012·10 cites·12 claims
- 3279US8089910B2Sensor node of wireless sensor networks and operating method thereofDOH YOONMEE·Filed 2007·Granted Jan 3, 2012·13 cites·12 claims
- 3379US7893834B2Power control method for mobile RFID reader and RFID reader using the sameKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Feb 22, 2011·12 cites·13 claims
- 3478US9647346B2Omnidirectional antennaELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted May 9, 2017·3 cites·6 claims
- 3578US8791857B2System and method for indoor location tracking using pseudo GPS signal transmitterMO SANG HYUN·Filed 2011·Granted Jul 29, 2014·8 cites·4 claims
- 3678US8005369B2Apparatus for synchronizing clock in real-time locating system and method thereforKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Aug 23, 2011·8 cites·9 claims
- 3777US8174390B2Radio frequency identification tag and antenna for radio frequency identification tagKIM JEONG SEOK·Filed 2008·Granted May 8, 2012·12 cites·17 claims
- 3876US9693362B2Method for allocating resources in wireless LAN system and wireless LAN systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2013·Granted Jun 27, 2017·2 cites·16 claims
- 3976US7884723B2Lower power battery-assisted RFID tag having improved recognition distance, and wake-up method thereofKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Feb 8, 2011·7 cites·20 claims
- 4076US7629929B2Antenna using proximity-coupled feed method, RFID tag having the same, and antenna impedance matching method thereofKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Dec 8, 2009·9 cites·43 claims
- 4175US8848584B2Time synchronization and routing method in wireless sensor network, and apparatus for enabling the methodSHIN CHANG SUB·Filed 2008·Granted Sep 30, 2014·7 cites·15 claims
- 4275US8174386B2RFID reader controlling device, interlocking method for RFID reader, and RFID reader controlling methodOH SE WON·Filed 2009·Granted May 8, 2012·9 cites·10 claims
- 4375US8116243B2Wireless sensor network and adaptive method for monitoring the security thereofZHIYING YAO·Filed 2006·Granted Feb 14, 2012·10 cites·13 claims
- 4475US8089909B2Method of transmitting/receiving data in sensor network for reducing overhearing of sensor nodesKIM SE HAN·Filed 2008·Granted Jan 3, 2012·10 cites·19 claims
- 4575US7986229B2Apparatus for storing sensing data in tag and method thereofKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Jul 26, 2011·7 cites·7 claims
- 4675US7609162B2Mobile RFID service providing apparatus and method thereofKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Oct 27, 2009·6 cites·12 claims
- 4774US9054881B2Radio 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
- 4874US8042016B2Method and device for efficiently retransmitting packets in wired/wireless networkKOREA ELECTRONICS TELECOMM·Filed 2007·Granted Oct 18, 2011·6 cites·20 claims
- 4974US7899074B2Apparatus and method for controlling multi-channel accessKOREA ELECTRONICS TELECOMM·Filed 2008·Granted Mar 1, 2011·5 cites·4 claims
- 5073US9054904B2Receiving apparatus and method for RFID readerKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Jun 9, 2015·3 cites·16 claims
Showing the top 50 of 243 patent records by PatentIndex Score.
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