Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9054881 | Radio frequency identification (RFID) tag and interrogator for supporting normal mode and secure mode, and operation method thereof | Sang Yeoun Lee, Kang Bok Lee, Heyung Sub Lee, Dong-Beom Shin, Hyun-Seok Kim +3 more | 2015-06-09 |
| 9004367 | Radio frequency identification (RFID) tag and method of updating key of RFID tag | Sang Yeoun Lee, Heyung Sub Lee, Chan-Won Park | 2015-04-14 |
| 8878650 | RFID security reader | Dong-Beom Shin, Heyung Sub Lee, Sang Yeoun Lee, Hyunseok Kim, Su Na CHOI +1 more | 2014-11-04 |
| 6242140 | Method for manufacturing color filter | Jang-Hyuk Kwon, Si-Hyun Lee, Lee-gon Kim, Seong-Taek Lee, Young Sook Choi +2 more | 2001-06-05 |
| 6124918 | Method of manufacturing plasma display panel | Du-hyeon Noh, Si-Hyun Lee | 2000-09-26 |
| 6099893 | Method of fabricating a fluorescent layer for a display device | Si-Hyun Lee | 2000-08-08 |