Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9256289 | Method and apparatus for displaying a polyhedral user interface | Nag-eui Choi | 2016-02-09 |
| 9075575 | Multimedia device having detachable controller functioning as remote control while detached | Nag-eui Choi | 2015-07-07 |
| 9056255 | Game controller, game machine, and game system using the game controller | Nag-eui Choi | 2015-06-16 |
| 8842510 | Optical disc drive and method of driving the same | Nag-eui Choi, Seung Ki Kim | 2014-09-23 |
| 8409018 | Game controller and method for harvesting user energy expended while playing a game | Nag-eui Choi | 2013-04-02 |
| 8018800 | Optical recording and/or reproducing apparatus having a high-sensitivity magnetic circuit | Dae-jong Jang, Pyong-yong Seong | 2011-09-13 |
| 7903445 | Photonic memory device, data storing method using the photonic memory device and photonic sensor device | Jung Hoon Lee | 2011-03-08 |
| 7631322 | Magnetic circuit, optical pickup actuator, optical recording and/or reproducing apparatus, and methods therefor | Hyung-Joo Kang, Pyong-yong Seong, Dae-jong Jang | 2009-12-08 |
| 7486596 | Method and apparatus compensating for tilt | Jong-koog Lee, Dong-Ryeol Lee, Pyong-yong Seong, Kyung-ui Park, Dong Won Kim | 2009-02-03 |
| 7478411 | Optical pickup actuator and method with multi-conductive suspension | Hyung-loo Kang, Sang-yol Yoon, Pyong-yong Seong, Young-won Lee | 2009-01-13 |
| 7464389 | Optical pickup actuator with a magnetic driver having focus, track and tilt coils | Do-sun Nam | 2008-12-09 |
| 7458087 | Optical pickup actuator for reducing vibration | Yoon Tak Yang | 2008-11-25 |
| 7453656 | Recording and/or reproducing apparatus with an optical pickup actuator having high thrust | Dae-jong Jang, Young-bin Lee, Byung-ryul Ryoo, Pyong-yong Seong, Young-won Lee | 2008-11-18 |
| 7403349 | Optical pickup actuator, optical pickup, and optical recording and/or reproducing apparatus | Hyung-Joo Kang | 2008-07-22 |
| 7352662 | Molded coil device for actuator of disc drive | Won-ik Cho, Byung-ryul Ryoo, Jong-ha Jun, Dae-jong Jang, Hyung-Joo Kang | 2008-04-01 |
| 7352663 | High-sensitivity pickup actuator for disc drive | Hyung-Joo Kang, Dae-jong Jang | 2008-04-01 |
| 7305688 | Tilting movement optical pickup actuator and optical recording and/or reproducing apparatus using the same and method | Yoon Tak Yang | 2007-12-04 |
| 7210154 | Optical pickup actuator with a magnetic driver having focus, track and tilt coils | Do-sun Nam | 2007-04-24 |
| 7162727 | Optical pickup actuator with improved damping effect with end of suspension wire movably inserted into groove of wire holder | Do-sun Nam | 2007-01-09 |
| 6785065 | Optical pickup actuator driving method and apparatus therefor | Kyung-sik Shin | 2004-08-31 |
| 6721110 | Optical pickup actuator driving method and apparatus therefor | Kyung-sik Shin | 2004-04-13 |