Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807544 | Selective recovery method of vanadium and cesium from waste sulfuric acid vanadium catalyst, and high-quality vanadium aqueous solution and cesium alum produced thereby | Ho-Seok Jeon, Shun Myung Shin, Dong-Ju Shin, Dong-Seok Lee | 2023-11-07 |
| 11040651 | Multifunctional switch device for vehicles | Soon Hak Kwon, Seung-Hun Shin, Jae Chul Lee | 2021-06-22 |
| 10811118 | Test interface boards, test systems, and methods of operating test interface boards | Gyu-Yeol Kim, Jae-Young Lee, Chang-Hyun Cho | 2020-10-20 |
| 9651577 | Pogo pin and probe card, and method of manufacturing a semiconductor device using the same | Yu-Kyum Kim, Joon-Yeon Kim | 2017-05-16 |
| 7482904 | Device for improving amplitude imbalance of on-chip transformer balun | Dong Hyun Lee, Sang-yoon Jeon, Seong-soo Lee, Heung-bae Lee, Hai-Young Lee | 2009-01-27 |