Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9888385 | Method for subscriber authentication in cellular IoT device, IoT device for subscriber authentication, and base station apparatus for subscriber authentication | Hyukjun Oh, Yerin Hong | 2018-02-06 |
| 7493786 | Method for implementing logical MAC in ethernet passive optical network system | Jin-Hee Kim, Do-Young Joung, Whan-Jin Sung, Soon-Ho Jang, Min-Hyo Lee +2 more | 2009-02-24 |
| 7437076 | Data transmission method in gigabit ethernet passive optical network | Jae-Yeon Song, Yun-Je Oh, Tae-Sung Park, A-Jung Kim, Min-Hyo Lee +1 more | 2008-10-14 |
| 7330670 | Bottom level detection device for burst mode optical receiver | Hee-Chan Doh, Hyeon-Cheol Ki, Yun-Je Oh, Gil-Yong Park, Tae-Sung Park | 2008-02-12 |
| 7289439 | Method for implementing various functions in gigabit ethernet-passive optical network system and structure of ethernet frame employed in the same | Min-Hyo Lee, Tae-Sung Park, Whan-Jin Sung, Soon-Ho Jang, Su-Hyung Kim +1 more | 2007-10-30 |
| 7274874 | Idle-pattern output control circuit used in a Gigabit Ethernet-passive optical network | Whan-Jin Sung, Tae-Sung Park, Min-Hyo Lee | 2007-09-25 |
| 7266312 | Burst mode optical receiver | Hee-Chan Doh, Gil-Yong Park, Byung-Chang Kang, Tae-Sung Park, Hyeon-Cheol Ki | 2007-09-04 |
| 7218865 | Burst-mode optical receiver of differential output structure | Hee-Chan Doh, Hyeon-Cheol Ki, Yun-Je Oh, Gil-Yong Park, Tae-Sung Park | 2007-05-15 |
| 7206521 | Signal level detecting device for a burst-mode optical receiver | Hee-Chan Doh, Gil-Yong Park, Yun-Je Oh, Tae-Sung Park, Hyeon-Cheol Ki | 2007-04-17 |
| 7109466 | Peak and bottom detectors in burst mode optical receiver | Gil-Yong Park, Hyeon-Cheol Ki, Yun-Je Oh, Tae-Sung Park, Seong-Ha Kim | 2006-09-19 |
| 7003227 | Node structure of upgradable wavelength division multiplexing system | Kwan Lae Kim | 2006-02-21 |
| 6934474 | Bidirectional add/drop multiplexer | Kwan-Woong Song, Tae-Sung Park, Yun-Je Oh | 2005-08-23 |
| 6911644 | Automatic gain control device for a burst-mode optical receiver | Hee-Chan Doh, Gil-Yong Park, Yun-Je Oh, Tae-Sung Park, Hyeon-Cheol Ki | 2005-06-28 |
| 6909082 | Automatic threshold control device for burst mode optical receiver | Hee-Chan Doh, Hyeon-Cheol Ki, Yun-Je Oh, Gil-Yong Park, Tae-Sung Park | 2005-06-21 |