Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7342860 | Method and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Otsuka, Seong-sue Kim +2 more | 2008-03-11 |
| 7336588 | Method of and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Otsuka, Du-seop Yoon +1 more | 2008-02-26 |
| 7330408 | Equalizer for high density optical disc reproducing apparatus and equalizing method therefor | Chekcheyev Sergey, Hyun Soo Park, Wook-yeon Hwang | 2008-02-12 |
| 7301884 | Method of and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Otsuka, Du-seop Yoon +1 more | 2007-11-27 |
| 7295505 | Method of and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Otsuka, Du-seop Yoon +1 more | 2007-11-13 |
| 7280460 | Method of and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Oisuka, Du-seop Yoon +1 more | 2007-10-09 |
| 7280458 | Optical pickup apparatus and optimal light spot focusing method | Yong Jae Lee, Sung-ro Go, Pyong-yong Seong, Gi-bong Song, Byung-in Ma +1 more | 2007-10-09 |
| 7274647 | Method of and apparatus for recording data on optical recording medium | Yong-jin Ahn, In-sik Park, Kyung-geun Lee, Tatsuhiro Otsuka, Du-seop Yoon +1 more | 2007-09-25 |
| 7209423 | Adaptive writing method for high-density optical recording apparatus and circuit thereof | Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn +6 more | 2007-04-24 |
| 7158461 | Adaptive writing method for high-density optical recording apparatus and circuit thereof | Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn +6 more | 2007-01-02 |
| 6977982 | Differential phase detection device and tracking error signal detection apparatus using the same | Byung-in Ma, In-sik Park, Joong-eon Seo, Sung-ro Go, Soo-yul Jung | 2005-12-20 |
| 6967906 | Circuit and method for detecting mirror signal for optical disc apparatus | Sang-yeal Park | 2005-11-22 |
| 6631110 | Adaptive writing method for high-density optical recording apparatus and circuit thereof | Jin-gyo Seo, Seong-sin Joo, Du-seop Yoon, Myung-do Roh, Yong-jin Ahn +6 more | 2003-10-07 |
| 6400658 | DVD-RAM disk reproduction apparatus for reducing errors during detection of identification data | Pyong-yong Seong, Seong-sin Joo, Soo-yul Jung, Jung-Eon Seo, Yong Jae Lee +2 more | 2002-06-04 |
| 5233485 | Index search method and system thereof for digital video cassette tape recorder | — | 1993-08-03 |
| 5208709 | Digital magnetic recording/reproducing amplifying apparatus | — | 1993-05-04 |
| 5204790 | Digital signal recording circuit for digital video cassette tape recorder | — | 1993-04-20 |