Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9954392 | Energy storage system (ESS) using uninterruptible power supply (UPS) | Bon Jun Koo, Kwan Bok Lee, Kwang Ho Lee, Eun Ki Jeong, Chung Hyun Jung | 2018-04-24 |
| 9859751 | Switchable uninterruptible power supply system and battery charging method thereof | Dong Young Shin, Bon Jun Koo, Byeong Gyu HYEON | 2018-01-02 |