Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9139902 | Method and apparatus for plasma ion implantation of solid element | Seung Hee Han, Ji Young Byun, Hyun Kwang SEOK, Yu Chan Kim, Sung-Bai Lee +1 more | 2015-09-22 |
| 8186060 | Method to provide initial tension for coil spring and its application | Kwang-Koo Jee, Yoon-Bae Kim | 2012-05-29 |
| 7774916 | Shrink fitting method including deformation | Kwang-Koo Jee, Yoon-Bae Kim | 2010-08-17 |