Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8917906 | Method and apparatus for motion recognition | Keun Joo Park | 2014-12-23 |
| 8698092 | Method and apparatus for motion recognition | Delbruck TOBI, Hyunsurk Ryu, Keun Joo Park, Chang-Woo Shin | 2014-04-15 |
| 8617642 | Preparation of thin film for solar cell using paste | Oh-Shim Joo, Byoung Koun MIN, Kwang-Deog Jung | 2013-12-31 |
| 8467487 | Network synchronization method and apparatus for performing time synchronization between nodes | Geoffrey M. Garner, Hyunsurk Ryu, Keun Joo Park | 2013-06-18 |
| 8411130 | Apparatus and method of video conference to distinguish speaker from participants | Byung-Chang Kang, Jong Ho Bang, Keun Joo Park | 2013-04-02 |
| 8254782 | Optical signal quality monitoring apparatus | Takehiro Tsuritani, Tomohiro Otani | 2012-08-28 |
| 7809227 | Optical fiber, and optical access network, local area network and optical parts for communication, which use the optical fiber | Yun Chur Chung, Eui Seung Son, Jang Won Chae | 2010-10-05 |
| 7257324 | Apparatus for monitoring optical signal-to-noise ratio | Yun Chur Chung, Chun Ju Youn, Keun Joo Park | 2007-08-14 |
| 7177541 | OSNR monitoring method and apparatus for the optical networks | Yun Chur Chung | 2007-02-13 |
| 7050658 | Method and apparatus for reducing system deterioration caused by polarization effects | Yun Chur Chung, Chun Ju Youn | 2006-05-23 |