Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9787105 | Apparatus and method for high efficiency variable power transmission | Jin Sung Choi, Young Tack Hong, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park +4 more | 2017-10-10 |
| 9225176 | Apparatus and method for high efficiency variable power transmission | Jin Sung Choi, Young Tack Hong, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park +4 more | 2015-12-29 |
| 8400234 | Apparatus for removing leakage signal | Min Su Kim, Sung-chan Jung | 2013-03-19 |
| 8249536 | Apparatus and method for removing transmission leakage signal | Sung-chan Jung, Su Kyum Kim | 2012-08-21 |