Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9671123 | Air conditioner | Dong Gyu Lee, Ho Yoon, Jae Hun CHOI | 2017-06-06 |
| 6766210 | Process error prevention method in semiconductor fabricating equipment | Hee-Sun Chae, Kyung-Bo Sim, Jong-Hwan Weon | 2004-07-20 |