Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161337 | Liquid drop discharge apparatus | Han Lim KANG, Jun Seok Lee, Hyun Min Lee | 2021-11-02 |
| 11046078 | Method of discharging chemical liquid using an ink jet head | Dong Yun Lee, Jaehun Jung | 2021-06-29 |