Issued Patents All Time
Showing 51–75 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092347 | Optical pickup apparatus having disk thickness deviation correction and method therefor | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2006-08-15 |
| 7088666 | High density optical disk having capacity of 25GB | Yong-hoon Lee, In-sik Park, Du-seop Yoon, Kyung-geun Lee, Heui-jong Kang +1 more | 2006-08-08 |
| 7079471 | OPTICAL PICKUP USING TWO LASER BEAM SOURCES OF DIFFERENT WAVELENGTHS FOR AN OPTICAL DISK DRIVE AND A CONVERTER TO OPTIMIZE A LIGHT BEAM REFLECTED OFF AN OPTICAL DISC FOR DETECTION BASED ON REFLECTED LIGHT BEAM WAVELENGTH | Chul-woo Lee, In-sik Park | 2006-07-18 |
| 7072114 | Optical pickup using an optical phase plate and which is compatible with optical recording media of different types | Jang-hoon Yoo, Chul-woo Lee, Pyong-yong Seong, Kun-ho Cho, Hyun-seob Choi +3 more | 2006-07-04 |
| 7043744 | Disk cartridge and disk drive apparatus | Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Seok-jung Kim | 2006-05-09 |
| 7035186 | Optical pickup for detecting thickness variation of a recording medium, and/or compensating for spherical aberration caused by thickness variation of a recording medium | Young-man Ahn, Tae Kyung Kim, Hae-jung Suh | 2006-04-25 |
| 7020051 | Optical pickup capable of detecting and/or compensating for spherical aberration | Tae Kyung Kim, Young-man Ahn, Hae-jung Suh | 2006-03-28 |
| RE39025 | Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device | Chul-woo Lee, Dong-Ho Shin, Kyung-hwa Rim, Kun-ho Cho, Pyong-yong Seong +2 more | 2006-03-21 |
| 7009921 | Method and circuit for detecting playback signal which is compensated for time delay | Tatsuhiro Otsuka, Seong-sin Joo, Young-man Ahn, In-sik Park, Hea-jung Suh +2 more | 2006-03-07 |
| 6987724 | Optical pickup device having chromatic aberration correction lens | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2006-01-17 |
| 6985293 | Optical pickup using an optical phase plate and which is compatible with optical media for different types | Jang-hoon Yoo, Chul-woo Lee, Pyong-yong Seong, Kun-ho Cho, Hyun-seob Choi +3 more | 2006-01-10 |
| 6977876 | Apparatus for and method of detecting defocus error signal for optical pickup and apparatus for and method of detecting seek direction | Byung-in Ma, In-sik Park, Jin-hoon Jeon, Tae-yong Doh, Byoung-ho Choi | 2005-12-20 |
| 6961292 | Apparatus generating a seek direction detecting signal for an optical pickup using track cross and track error signals | Byung-in Ma, In-sik Park, Byoung-ho Choi, Tae-yong Doh | 2005-11-01 |
| 6899937 | Optical disc | Yong-hoon Lee, Chul-woo Lee, Kun-ho Cho | 2005-05-31 |
| 6885621 | Error signal detection apparatus and method for optical recording/reproducing system including comparing phases of sum signals | Byung-in Ma, Byoung-ho Choi, In-sik Park, Tae-yong Doh | 2005-04-26 |
| 6853614 | Aberration correction element and optical pickup adopting the same | Tae Kyung Kim, Young-man Ahn, Hea-jung Suh | 2005-02-08 |
| 6847499 | Optical head and method of adjusting optical path thereof | Jong-Chul Choi, Jin-Kyung Lee, Tae Kyung Kim, Kwang Soo Kim, Jin Won Lee | 2005-01-25 |
| 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 |
| 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 |
| 6788645 | Disk cartridge | Han-kook Choi, Yong-hoon Lee, Heui-jong Kang | 2004-09-07 |