Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9335353 | Electric power consumption measuring mechanism | Sung Dong Yang, Dong Soo Shin, Dong Hun Lee, Young Han Choi, Eun Yeong An | 2016-05-10 |
| 8868362 | Electric power metering accuracy | Dong Hun Lee, Dong Soo Shin, Sung Dong Yang, Young Han Choi | 2014-10-21 |