Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519827 | Method of generating activation code for radio frequency identification tag | Hyunseok Kim, Su Na CHOI, Heyung Sub Lee, Cheol Sig Pyo, Jong-Suk Chae | 2013-08-27 |
| 8442167 | Multistage channel estimation method and apparatus | Seung Il Myong, Hoe-Sung Yang, Dong-Beom Shin, Heyung Sub Lee, Cheol Sig Pyo | 2013-05-14 |
| 8274374 | Synchronization method between reader and tag | Hyunseok Kim, Su Na CHOI, Heyung Sub Lee, Cheol Sig Pyo, Jong-Suk Chae | 2012-09-25 |
| 8040280 | Apparatus and method for computing location of a moving beacon using received signal strength and multi-frequencies | Choon-Sik Lim, Cheol Sig Pyo, Jong-Suk Chae | 2011-10-18 |
| 8026850 | Apparatus and method for computing location of a moving beacon using time difference of arrival and multi-frequencies | Choon-Sik Lim, Cheol Sig Pyo, Jong-Suk Chae | 2011-09-27 |
| 7978022 | Cable to waveguide transition apparatus having signal accumulation form of backshort and active phase shifting using the same | Won Kyu Choi, Ji-Hoon Bae, Jong Moon LEE, Cheol Sig Pyo, Chang-Joo Kim | 2011-07-12 |
| 7427955 | Dual polarization antenna and RFID reader employing the same | Won Kyu Choi, Cheol Sig Pyo, Jong-Suk Chae | 2008-09-23 |
| 7414583 | PIFA, RFID tag using the same and antenna impedance adjusting method thereof | Won Kyu Choi, Cheol Sig Pyo, Jong-Suk Chae | 2008-08-19 |
| 7057572 | Horn antenna system having a strip line feeding structure | Tae Yune Lee, Ji-Hoon Bae, Jong-Suk Chae, Jae-Ick Choi | 2006-06-06 |