Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165191 | Receptacle connector | Hyun Woo Lee, Soo Hwan Park | 2021-11-02 |
| 11060648 | Connecting device for piping | Ji Ho Kwak, Ha Yeong Seong, Sang In Jang | 2021-07-13 |
| 11063383 | Receptacle connector | Hyun Ho Chang, Hyun Woo Lee | 2021-07-13 |
| D924376 | Pipe connector | Ji Ho Kwak, Ha Yeong Seong, Sang In Jang | 2021-07-06 |
| D924377 | Pipe connector | Ji Ho Kwak, Ha Yeong Seong, Sang In Jang | 2021-07-06 |
| D921103 | Card payment terminal | Jang Won Lee, Jung Sik Park | 2021-06-01 |