Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D936023 | Control unit for air circuit breaker | — | 2021-11-16 |
| 10965214 | Power management integrated circuit for supplying load current information and electronic device having the same | Yus Ko, Dongjin Keum, Hwa Yeal Yu, Younghoon Lee | 2021-03-30 |
| D909218 | Overcurrent relay tester | — | 2021-02-02 |