Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9080275 | Drain hose and washing machine having the same | Sung Soo Park, Shin-wook Kang, Jin Doo Kim | 2015-07-14 |
| 7266055 | Optical pickup actuator and optical disk drive using the same and method | Won-ik Cho, Byung-ryul Ryoo, No Cheol Park | 2007-09-04 |
| 6994808 | Planar lens and method for fabricating the same | Myung-bok Lee, Jin-seung Sohn, Eun-hyoung Cho | 2006-02-07 |
| 6937396 | Hybrid lens with high numerical aperture | Eun-hyoung Cho, Jin-seung Sohn, Myung-bok Lee | 2005-08-30 |