Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178524 | Data collection method using user terminal and data collection system | Wan Ki PARK | 2021-11-16 |
| 11038353 | Apparatus and method for controlling output of energy storage apparatus for reliability of output of photovoltaic power generation | Sewan HEO, Wan Ki PARK | 2021-06-15 |
| 10651680 | Uninterruptible power supply apparatus and method | Sewan HEO, Wan Ki PARK | 2020-05-12 |
| 9485083 | Method and apparatus for time synchronization between nodes | Chang-Sic CHOI, Wan Ki PARK, Il Woo LEE | 2016-11-01 |
| 7054522 | Bidirectional optical recirculation loop transmitting device | Kwangjoon Kim | 2006-05-30 |