Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209486 | System and method for diagnosing contactor using sound sensor | — | 2021-12-28 |
| 11072242 | Off-prevention circuit of contactor | Chang-Hyun Sung | 2021-07-27 |
| 10989753 | System for diagnosing insulating element in BMS | Younghwan Kim, Sang Hoon Lee, Hujun Lee | 2021-04-27 |