Issued Patents All Time
Showing 76–100 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893834 | Power control method for mobile RFID reader and RFID reader using the same | Chan-Won Park, Dong-Han Lee, Hoe-Sung Yang, Gil-Young Choi, Cheol Sig Pyo +3 more | 2011-02-22 |
| 7884723 | Lower power battery-assisted RFID tag having improved recognition distance, and wake-up method thereof | Jae Young Jung, Hae-Won Son, Jong-Hyun Seo, Junho Yeo, Gil-Young Choi +2 more | 2011-02-08 |
| 7821378 | Apparatus and method for receiving tag signal in mobile RFID reader | Ji-Hoon Bae, Chan-Won Park, Hee-Sook Mo, Dong-Han Lee, Chenghao Quan +2 more | 2010-10-26 |
| 7791543 | Antenna for radio frequency identification tag | Won Kyu Choi, Jeong Seok Kim, Gil-Young Choi, Cheol Sig Pyo | 2010-09-07 |
| 7747554 | Real-time business process triggering system and method using RFID | Jae Gak Hwang, Seong Hwan Choi, Yong-Joon Lee, Sung-Wook Kim | 2010-06-29 |
| 7697458 | Node for self localization, clustering method using the same, and localization method | Jongjun Park, Jong Oh Lee, Sun-Joong Kim, Cheol Sig Pyo | 2010-04-13 |
| 7675403 | Method for estimating number of tags in slotted aloha-based RFID system | Chenghao Quan, Hee-Sook Mo, Dong-Han Lee, Ji-Hoon Bae, Gil-Young Choi +1 more | 2010-03-09 |
| 7609162 | Mobile RFID service providing apparatus and method thereof | Mal-Hee KIM, Yong-Joon Lee, Cheol Sig Pyo | 2009-10-27 |
| 7592917 | RFID system and method for protecting information | Chenghao Quan, Hee-Sook Mo, Dong-Han Lee, Ji-Hoon Bae, Gil-Young Choi +1 more | 2009-09-22 |
| 7586973 | Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system | Seung-Chan Bang, Tae-Joong Kim, Jae Heung Kim, Jung-Im Kim, Hyuck-Jae Lee +2 more | 2009-09-08 |
| 7545328 | Antenna using inductively coupled feeding method, RFID tag using the same and antenna impedance matching method thereof | Hae-Won Son, Won Kyu Choi, Je Hoon Yun, Cheol Sig Pyo | 2009-06-09 |
| 7538678 | Data storing apparatus and method for RFID tags with sensors | Jae Young Jung, Jun-Ho Yeo, Hae-Won Son, Gil-Young Choi, Yoon-Mee Doh +1 more | 2009-05-26 |
| 7505008 | Electrical loop antenna with unidirectional and uniform current radiation source | Chan Soo Shin, Won Kyu Choi, Hae-Won Son, Gil-Young Choi, Cheol Sig Pyo +3 more | 2009-03-17 |
| 7504998 | PIFA and RFID tag using the same | Won Kyu Choi, Hae-Won Son, Je Hoon Yun, Ji-Hoon Bae, Cheol Sig Pyo | 2009-03-17 |
| 7443906 | Apparatus and method for modulating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication system | Seung-Chan Bang, Tae-Joong Kim, Jae Heung Kim, Jung-Im Kim, Hyuck-Jae Lee +2 more | 2008-10-28 |
| 7427955 | Dual polarization antenna and RFID reader employing the same | Won Kyu Choi, Nak-Seon Seong, Cheol Sig Pyo | 2008-09-23 |
| 7414583 | PIFA, RFID tag using the same and antenna impedance adjusting method thereof | Won Kyu Choi, Nak-Seon Seong, Cheol Sig Pyo | 2008-08-19 |
| 7345631 | Radiation device for planar inverted F antenna | Byung Chan Kim, Juderk Park, Hyung Do Chol | 2008-03-18 |
| 7269448 | Method for recognizing request for data transmission by mobile/base station RRC using network transfer device | Jihyuk Choi, Kwang-Ryul Jung, Jun Sik Kim, Jae Wook Shin, Pyon Jung Song | 2007-09-11 |
| 7161357 | Apparatus for measuring read range between RFID tag and reader | Jong Moon LEE, Nae-Soo Kim, Cheol Sig Pyo | 2007-01-09 |
| 7106264 | Broadband slot antenna and slot array antenna using the same | Jong Moon LEE, Yong-Heui Cho, Jae-Ick Choi, Sig Pyo Cheol | 2006-09-12 |
| 7057572 | Horn antenna system having a strip line feeding structure | Tae Yune Lee, Nak-Seon Seong, Ji-Hoon Bae, Jae-Ick Choi | 2006-06-06 |
| 6946995 | Microstrip patch antenna and array antenna using superstrate | Won Kyu Choi, Sig Pyo Cheol, Jong Moon LEE, Young Keun Yoon, Yong-Heui Cho +1 more | 2005-09-20 |
| 6924765 | Microstrip patch array antenna for suppressing side lobes | Haeng Sook RO, Soon-Ik Jeon | 2005-08-02 |
| 6650715 | Apparatus for recovering decision-directed carrier | Myung-Sup Kim, Yun Jeong Song, Seong-Pal Lee | 2003-11-18 |