Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10553452 | Printed circuit board, method, and semiconductor package | Suk Chang Hong, Hyo-Bin Park, Sang-Jin Baek | 2020-02-04 |
| 10361006 | Laser welding apparatus for spacer grid of nuclear fuel assembly | Byeong Eun Oh, Kwang Ho Yun, Sang Jae Han, Jong Sung Hong, Kwang Seok Cha +1 more | 2019-07-23 |
| 9649724 | Charging device of a welding fixture of spacer grid | Byeong Eun Oh, Kwang Ho Yun, Heui Seob Yang, Sang Jae Han, Jong Sung Hong | 2017-05-16 |
| 6405431 | Method for manufacturing build-up multi-layer printed circuit board by using yag laser | Keon-Yang Park, Young-Hwan Shin, Byung-Kook Sun, Jae Heun Joung | 2002-06-18 |
| 6119335 | Method for manufacturing multi-layer printed circuit board | Keon-Yang Park, Byung-Kook Sun, Jae Heun Joung | 2000-09-19 |