Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927427 | Vacuum heat treatment apparatus | Soo Jin Chung, Ji Young KANG, Ki Woong Kim | 2021-02-23 |
| 10815543 | Quenching apparatus | Soo Jin Chung, Ji Young KANG, Ki Woong Kim | 2020-10-27 |
| 6943723 | Combined radar and laser detector having GPS receiver and using wireless communication | Sun-Woung Jung | 2005-09-13 |