Patent | Date |
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RFID reader antenna Grant 9,979,072 - Choi , et al. May 22, 2 | 2018-05-22 |
Rfid Reader Antenna App 20160111770 - CHOI; Won Kyu ;   et al. | 2016-04-21 |
Tag integrated circuit module apparatus and method of fabricating tag integrated circuit module apparatus Grant 9,098,791 - Choi , et al. August 4, 2 | 2015-08-04 |
Loop Antenna And Method For Switching The Same App 20150144694 - CHOI; Won Kyu ;   et al. | 2015-05-28 |
Tag Integrated Circuit Module Apparatus And Method Of Fabricating Tag Integrated Circuit Module Apparatus App 20140117095 - CHOI; Won Kyu ;   et al. | 2014-05-01 |
Loop Antenna App 20140085162 - CHOI; Won Kyu ;   et al. | 2014-03-27 |
Tag antenna using microstrip line, method of manufacturing the same and radio frequency identification tag Grant 8,654,012 - Kim , et al. February 18, 2 | 2014-02-18 |
Method and apparatus for stopping power supply in RFID system Grant 8,416,063 - Jung , et al. April 9, 2 | 2013-04-09 |
Circularly Polarized Antenna With Wide Beam Width App 20120162021 - LEE; Kyong-Hee ;   et al. | 2012-06-28 |
Passive tag including volatile memory Grant 8,102,263 - Yeo , et al. January 24, 2 | 2012-01-24 |
Radio frequency identification tag and radio frequency identification tag antenna Grant 8,098,201 - Choi , et al. January 17, 2 | 2012-01-17 |
Transmit/receive antenna system having offset feed points for high isolation Grant 8,081,062 - Son , et al. December 20, 2 | 2011-12-20 |
Open-ended two-strip meander line antenna, RFID tag using the antenna, and antenna impedance matching method thereof Grant 8,009,118 - Son , et al. August 30, 2 | 2011-08-30 |
Apparatus for storing sensing data in tag and method thereof Grant 7,986,229 - Yeo , et al. July 26, 2 | 2011-07-26 |
Method Of Placing Rfid Tag For Underground Use Under Ground Surface App 20110148584 - LEE; KYONG HEE ;   et al. | 2011-06-23 |
Method and apparatus for sharing portable terminal in CDMA system and mobile RFID system Grant 7,933,577 - Shin , et al. April 26, 2 | 2011-04-26 |
Lower power battery-assisted RFID tag having improved recognition distance, and wake-up method thereof Grant 7,884,723 - Jung , et al. February 8, 2 | 2011-02-08 |
Apparatus And Method Of Generating Wake-up Signal In Battery-powered Passive Tag App 20100314452 - Yeo; Junho ;   et al. | 2010-12-16 |
Tag Antenna Using Microstrip Line, Method Of Manufacturing The Same And Radio Frequency Identification Tag App 20100314453 - Kim; Jeong-seok ;   et al. | 2010-12-16 |
Antenna having loop and helical structure and RFID tag using the same Grant 7,710,274 - Choi , et al. May 4, 2 | 2010-05-04 |
Method And Apparatus For Transmitting Sensor Status Of Radio Frequency Identification Tag App 20100090809 - Yeo; Junho ;   et al. | 2010-04-15 |
Antenna using proximity-coupled feed method, RFID tag having the same, and antenna impedance matching method thereof Grant 7,629,929 - Son , et al. December 8, 2 | 2009-12-08 |
Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedance matching method thereof Grant 7,545,328 - Son , et al. June 9, 2 | 2009-06-09 |
Radio Frequency Identification Tag And Radio Frequency Identification Tag Antenna App 20090140928 - Choi; Won Kyu ;   et al. | 2009-06-04 |
Data storing apparatus and method for RFID tags with sensors Grant 7,538,678 - Jung , et al. May 26, 2 | 2009-05-26 |
PIFA and RFID tag using the same Grant 7,504,998 - Choi , et al. March 17, 2 | 2009-03-17 |
Electrical loop antenna with unidirectional and uniform current radiation source Grant 7,505,008 - Shin , et al. March 17, 2 | 2009-03-17 |
Rfid Tag And Method For Controlling The Same App 20090058604 - JUNG; Jae-young ;   et al. | 2009-03-05 |
Antenna with High Isolation App 20080309428 - Son; Hae-Won ;   et al. | 2008-12-18 |
Antenna Using Proximity-Coupling Between Radiation Patch and Short-Ended Feed Line, Rfid Tag Employing the Same, and Antenna Impedance Matching Method Thereof App 20080309578 - Son; Hae-Won ;   et al. | 2008-12-18 |
Apparatus And Method For Managing Power Of Rfid Tag App 20080224870 - Yeo; Junho ;   et al. | 2008-09-18 |
Apparatus And Method For Detecting Wake-up Burst Of Active Rfid Tag App 20080224873 - YEO; Junho ;   et al. | 2008-09-18 |
Antenna Having Loop And Helical Structure And Rfid Tag Using The Same App 20080180216 - Choi; Won-Kyu ;   et al. | 2008-07-31 |
Low-powered Rfid Tag And Method Of Expanding Lifecycle Of Rfid Tag App 20080136603 - Choi; Su Na ;   et al. | 2008-06-12 |
Rfid Sensor Tag Antenna Using Coupling Feeding Method App 20080136597 - CHOI; Won Kyu ;   et al. | 2008-06-12 |
Passive Tag Including Volatile Memory App 20080136596 - YEO; Junho ;   et al. | 2008-06-12 |
Apparatus For Storing Sensing Data In Tag And Method Thereof App 20080136600 - YEO; Junho ;   et al. | 2008-06-12 |
Apparatus For Managing Power In Passive Tag And Method Thereof App 20080136643 - YEO; Junho ;   et al. | 2008-06-12 |
Method And Apparatus For Stopping Power Supply In Rfid System App 20080136594 - JUNG; Jae-Young ;   et al. | 2008-06-12 |
Lower Power Battery-assisted Rfid Tag Having Improved Recognition Distance, And Wake-up Method Thereof App 20080122625 - JUNG; Jae-Young ;   et al. | 2008-05-29 |
Method For Reading Tag In Mobile Rfid Environment App 20070236332 - QUAN; ChengHao ;   et al. | 2007-10-11 |
Data storing apparatus and method for RFID tags with sensors App 20070132588 - Jung; Jae-Young ;   et al. | 2007-06-14 |
Method and apparatus for sharing portable terminal in CDMA system and mobile RFID system App 20070120679 - Shin; Chan-Soo ;   et al. | 2007-05-31 |
Antenna using proximity-coupled feed method, RFID tag having the same, and antenna impedance matching method thereof App 20070080867 - Son; Hae-Won ;   et al. | 2007-04-12 |
Electrical loop antenna with unidirectional and uniform current radiation source App 20070080879 - Shin; Chan-Soo ;   et al. | 2007-04-12 |
Open-ended two-strip meander line antenna, RFID tag using the antenna, and antenna impedance matching method thereof App 20070023525 - Son; Hae-Won ;   et al. | 2007-02-01 |
Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedence matching method thereof App 20060158380 - Son; Hae-Won ;   et al. | 2006-07-20 |
PIFA and RFID tag using the same App 20060145927 - Choi; Won-Kyu ;   et al. | 2006-07-06 |