Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268713 | Smart home air conditioner automatic control system based on artificial intelligence | Ki Woong KWON, Sang Hak Lee, Sang Hun Kim | 2022-03-08 |
| 10057643 | UPnP communication system and method for active standby mode | Sang Hak Lee, Suk In Kang | 2018-08-21 |
| 9625968 | Method for operating multiple standby states and broadcast receiving apparatus using the same | Sang Hak Lee | 2017-04-18 |
| 9167299 | Method of managing the standby mode of a broadcast receiving device by external signaling | Sang Hak Lee, Jang-Kyu Lee, Jong Chul Weon, Young-min Chae, Jeong Lee | 2015-10-20 |