Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712042 | Bypass apparatus for converter | Jung Soo Park, Jong-Yun Choi | 2017-07-18 |
| 9590489 | Converter | Hong Ju Jung, Tae Gyun Kim, Jong-Yun Choi | 2017-03-07 |
| 9438136 | Converter for electric power | June-Sung Kim, Tae Gyun Kim, Jong-Yun Choi | 2016-09-06 |