Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7663984 | Optical pickup actuator for driving an objective lens | Sang-yol Yoon, Dae-jong Jang, Young-bin Lee, Yong Jae Lee, Young-won Lee | 2010-02-16 |
| 7453656 | Recording and/or reproducing apparatus with an optical pickup actuator having high thrust | Dae-jong Jang, Byung-youn Song, Young-bin Lee, Pyong-yong Seong, Young-won Lee | 2008-11-18 |
| 7355953 | Optical pickup for cutting off optical noise and optical recording and/or reproducing apparatus using the same | Ui-yol Kim, Pyong-yong Seong, Myoung-cheol Cho, Kyung-ui Park | 2008-04-08 |
| 7352662 | Molded coil device for actuator of disc drive | Won-ik Cho, Jong-ha Jun, Dae-jong Jang, Hyung-Joo Kang, Byung-youn Song | 2008-04-01 |
| 7266055 | Optical pickup actuator and optical disk drive using the same and method | Won-ik Cho, Young-pil Park, No Cheol Park | 2007-09-04 |
| 6686697 | Circuit to protect a light element | Myoung-cheol Cho, Kyung-ui Park, Ui-yol Kim, Pyong-yong Seong | 2004-02-03 |
| 6636464 | Optical pickup device capable of detecting stable error signal | Yong Jae Lee, Pyong-yong Seong, Jang-hoon Yoo, Yong-Ki Son | 2003-10-21 |
| 6587481 | Light emitting module and compatible optical pickup device adopting the same | Pyong-yong Seong, Yong Jae Lee, Yong-Ki Son | 2003-07-01 |
| 6584047 | Pickup actuator | Seok-jung Kim, Yong-Ki Son, Yong-hoon Lee | 2003-06-24 |
| 6507554 | Actuator for optical pick-up and method of rolling driving coil therefor | Yong-Ki Son, Yong-hoon Lee, Seok-jung Kim | 2003-01-14 |
| 6449229 | Optical pickup assembly with adjustable inclination | Seok-jung Kim, Yong-Ki Son, Pyong-yong Seong, Yong Jae Lee, Tae Kyung Kim +1 more | 2002-09-10 |
| 6381207 | Optical pickup movable to control beam shift and field angle in an optical disk drive | Pyong-yong Seong, Seok-jung Kim, Yong-Ki Son, Tae Kyung Kim, Yong Jae Lee +1 more | 2002-04-30 |
| 6345031 | Object-lens driving device for optical pickup including a plurality of supporting plate spring members | Dae Hwan Kim | 2002-02-05 |
| 6282161 | Optical recording and reproducing apparatus, tilt adjusting method appropriate therefor, and recording control method | Yong-Ki Son, Pyong-yong Seong, Seok-jung Kim, Joong-eon Seo, In Wook HWANG +1 more | 2001-08-28 |
| 6167004 | Error signal detecting apparatus of optical pickup adopting hologram grating | Yong Jae Lee, Tae Kyung Kim, Pyong-yong Seong, Jang-hoon Yoo, Yong-Ki Son +1 more | 2000-12-26 |