Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Nae-Soo Kim +2 more | 2011-02-08 |
| 7876269 | Radio frequency identification tag antenna using proximity coupling for attaching to metal | Won Kyu Choi, Jeong Seok Kim, Cheol Sig Pyo | 2011-01-25 |
| 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, Cheol Sig Pyo, Jong-Suk Chae | 2010-09-07 |
| 7733273 | Radio frequency identification tag antenna for attaching to metal | Won Kyu Choi, Jeong Seok Kim, Cheol Sig Pyo | 2010-06-08 |
| 7710274 | Antenna having loop and helical structure and RFID tag using the same | Won Kyu Choi, Hae-Won Son, Jung-Hyung Ha, Noh-Hoon Myung | 2010-05-04 |
| 7675403 | Method for estimating number of tags in slotted aloha-based RFID system | Chenghao Quan, Hee-Sook Mo, Dong-Han Lee, Ji-Hoon Bae, Cheol Sig Pyo +1 more | 2010-03-09 |
| 7629929 | Antenna using proximity-coupled feed method, RFID tag having the same, and antenna impedance matching method thereof | Hae-Won Son, Won Kyu Choi, Chan Soo Shin, Cheol Sig Pyo | 2009-12-08 |
| 7592917 | RFID system and method for protecting information | Chenghao Quan, Hee-Sook Mo, Dong-Han Lee, Ji-Hoon Bae, Cheol Sig Pyo +1 more | 2009-09-22 |
| 7538678 | Data storing apparatus and method for RFID tags with sensors | Jae Young Jung, Jun-Ho Yeo, Hae-Won Son, Yoon-Mee Doh, Cheol Sig Pyo +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, Cheol Sig Pyo, Jong-Suk Chae +3 more | 2009-03-17 |
| 7124335 | Apparatus and method for testing MEGACO protocol | Kyou-Ho Lee, Dong Guk JE, Jaewoo Park | 2006-10-17 |