Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7835235 | Optical pickup apparatus and optical recording/reproducing system using the same | Ui-yol Kim, Jong Kook Lee, Pyong-yong Seong | 2010-11-16 |
| 7362689 | Optical pickup and optical recording and/or reproducing apparatus adopting the same | Jin Ho Jung, Pyong-yong Seong | 2008-04-22 |
| 7230905 | Optical pickup using two-wavelength light source module and method for correcting position difference | Kun-soo Kim, Ju-Hyung Lee, Pyong-yong Seong | 2007-06-12 |
| 7218598 | Optical pickup using two-wavelength light source module | Kun-soo Kim, Pyong-yong Seong | 2007-05-15 |