Issued Patents 2004
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826772 | Disk clamping apparatus for disk player | Seok-jung Kim, Yong-hoon Lee, Han-kook Choi | 2004-11-30 |
| 6826142 | Method of and apparatus for reproducing data recorded on an optical disc | Tae Kyung Kim, Young-man Ahn, Jong-bae Kim | 2004-11-30 |
| 6809999 | Device and method for reducing crosstalk and intersymbol interference | Tae Kyung Kim, Young-man Ahn, Hea-jung Seo | 2004-10-26 |
| 6807144 | Optical recording medium recordable on land and groove tracks | Tae Kyung Kim, Young-man Ahn, Jin-Kyung Lee, Jong-bae Kim, Du-seop Yoon | 2004-10-19 |
| 6798731 | Optical pickup for and method of correcting aberration due to thickness variations of optical media | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2004-09-28 |
| 6791933 | Optical pickup using an optical phase plate | Jang-hoon Yoo, Chul-woo Lee, Pyong-yong Seong, Kun-ho Cho, Hyun-seob Choi +3 more | 2004-09-14 |
| 6788645 | Disk cartridge | Han-kook Choi, Yong-hoon Lee, Heui-jong Kang | 2004-09-07 |
| 6788473 | Objective lens device for correcting chromatic aberration and optical pickup employing the same | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2004-09-07 |
| 6785209 | Optical pickup for improving properties of a reproduction signal | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2004-08-31 |
| 6754146 | Error signal detection apparatus for an optical recording/reproduction system | Byung-in Ma, In-sik Park, Jin-hoon Jeon, Tae-yong Doh, Byoung-ho Choi | 2004-06-22 |
| 6724710 | Spherical abberation compensator and optical pickup using the same | Young-man Ahn, Tae Kyung Kim, Hea-jung Suh, Jong-bae Kim | 2004-04-20 |
| 6721243 | METHOD FOR DETECTING SERVO ERROR, APPARATUS THEREFOR, DISK WHICH MAINTAINS QUALITY OF SERVO ERROR SIGNAL, METHOD OF CONTROLLING SERVO OF DISK RECORDING/REPRODUCING APPARATUS, METHOD OF DETECTING TRACKING ERROR, AND METHOD OF DETECTING TILT ERROR | Seong-sin Joo, In-sik Park, Byung-in Ma, Jang-hoon Yoo, Jung-wan Ko +2 more | 2004-04-13 |
| 6687201 | Apparatus for generating seek direction detection signal | Byung-in Ma, In-sik Park, Byoung-ho Choi, Tae-yong Doh, Jin-hoon Jeon | 2004-02-03 |
| 6678233 | Objective lens and optical pickup device using the same | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2004-01-13 |