Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10285246 | Communication device using powerline and LED lighting system using the device | Sangheon Lee, Jae Heung Park, Jung Ryul KIM | 2019-05-07 |
| 9686835 | Fluorescent lamp-compatible LED lighting device and electric shock protection apparatus therefor | Sang Heon Lee, Jae Heung Park, Jung Ryul KIM, Sung-Woo Park | 2017-06-20 |
| 7646964 | Reproduction apparatus connected to a monitor apparatus and remote controlling method thereof | — | 2010-01-12 |
| 6907185 | Method and apparatus for reserve-recording a viewing broadcast program | Yong Ho Kim | 2005-06-14 |