Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345981 | Optical pickup | Tae Kyung Kim, Young-man Ahn, Chong-sam Chung, Tae-youn Heor | 2008-03-18 |
| 7304915 | Actuator for optical disk system and apparatus for providing signal for driving the actuator | Byung-in Ma, Kwan-joon Kim, Shi-yang Ryu | 2007-12-04 |
| 7219359 | Actuator used with an optical pickup | Yong-hoon Lee, Sun-mo Kim | 2007-05-15 |
| 7178156 | Disk cartridge having identification element and disk drive apparatus which recognizes the identification element | Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung | 2007-02-13 |
| 7149176 | High-density optical disc | Yong-hoon Lee, Han-kook Choi, In-sik Park, Chong-sam Chung | 2006-12-12 |
| 7131128 | Optical actuator | Kim Kwang, Chong-sam Chung, Hae-jung Suh, Sun-mo Kim, Jin Won Lee | 2006-10-31 |
| 7085212 | Disk cartridge and disk drive apparatus | Han-kook Choi, Yong-hoon Lee | 2006-08-01 |
| 7043744 | Disk cartridge and disk drive apparatus | Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung | 2006-05-09 |
| 6895593 | Actuator having a plurality of objective lenses installed in a lens holder used with an optical pickup | Yong-hoon Lee, Sun-mo Kim | 2005-05-17 |
| 6826772 | Disk clamping apparatus for disk player | Chong-sam Chung, Yong-hoon Lee, Han-kook Choi | 2004-11-30 |
| 6807674 | Disk cartridge | Heui-jong Kang, Han-kook Choi | 2004-10-19 |
| 6724696 | Four-axial driving actuator for optical pickup | Yong-hoon Lee, Tae-yong Doh, Sun-mo Kim, Han-kook Choi | 2004-04-20 |
| 6600634 | Micro actuator | Yong-hoon Lee | 2003-07-29 |
| 6584047 | Pickup actuator | Byung-ryul Ryoo, Yong-Ki Son, Yong-hoon Lee | 2003-06-24 |
| 6580569 | Optical pickup assembly | Han-kook Choi | 2003-06-17 |
| 6535360 | Disk drive head suspension assembly with microactuator | Yong-hoon Lee | 2003-03-18 |
| 6507554 | Actuator for optical pick-up and method of rolling driving coil therefor | Yong-Ki Son, Byung-ryul Ryoo, Yong-hoon Lee | 2003-01-14 |
| 6466529 | Optical pickup assembly and method of detecting tilt | Yong-hoon Lee, Tae Kyung Kim, Jang-hoon Yoo | 2002-10-15 |
| 6449229 | Optical pickup assembly with adjustable inclination | Byung-ryul Ryoo, Yong-Ki Son, Pyong-yong Seong, Yong Jae Lee, Tae Kyung Kim +1 more | 2002-09-10 |
| 6400666 | Optical pickup device | Jang-hoon Yoo, Kun-ho Cho, Yong-hoon Lee, Seung-tae Jung, Chul-woo Lee +1 more | 2002-06-04 |
| 6381207 | Optical pickup movable to control beam shift and field angle in an optical disk drive | Byung-ryul Ryoo, Pyong-yong Seong, Yong-Ki Son, Tae Kyung Kim, Yong Jae Lee +1 more | 2002-04-30 |
| 6282161 | Optical recording and reproducing apparatus, tilt adjusting method appropriate therefor, and recording control method | Yong-Ki Son, Pyong-yong Seong, Byung-ryul Ryoo, 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, Byung-ryul Ryoo +1 more | 2000-12-26 |
| 5212561 | Noise killing circuit for video tape duplicating apparatus | — | 1993-05-18 |