Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10476120 | Multi-port phase shifter with multiple lines formed on opposite surfaces of a ground | Sang Jin Kim, Kyoung Sub Oh | 2019-11-12 |
| 6590221 | On-line measuring system for measuring substrate thickness and the method thereof | Jong Eun Ha, Taek Cheon Kim, Jae Seok CHOI, Jang Soo Choi | 2003-07-08 |