Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8526286 | Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same | Seong Su Park, Joji Anzai, Jong Uk Kim, Ichiro Morishita | 2013-09-03 |
| 7924682 | Unit to remove crosstalk in multi-layered disk, optical pickup including the unit, and optical recording and/or reproducing apparatus including the optical pickup | Jang-hoon Yoo, Soo-hen Park, Young-sun Jeong, Myoung-seek Kim | 2011-04-12 |
| 7885165 | Optical pick-up device | Soo-han Park, Jang-hoon Yoo, Hag-Hyeon Jang, Soo Jin Jung | 2011-02-08 |
| 7543312 | Optical pickup device | Seok-jung Kim, Soo-han Park, Jung-gug Pae | 2009-06-02 |
| 6256272 | Optical pickup | — | 2001-07-03 |