Issued Patents All Time
Showing 176–200 of 212 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744718 | Physical identification data addressing method using wobble signal, wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, Kyung-geun Lee, Du-seop Yoon, Seong-sin Joo, Jae-seong Shim +4 more | 2004-06-01 |
| 6728200 | Cartridge for an information recording medium | Jong Pil Park, Young-sun Seo, Jung-wan Ko, Han-kook Choi | 2004-04-27 |
| 6728076 | Cartridge having sensor hole to be opened/closed and apparatus and method for driving the same | Jung-wan Ko, Dong-Ho Shin, Young-sun Seo, Han-kook Choi, Jong-phil Park +2 more | 2004-04-27 |
| 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, Byung-in Ma, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2004-04-13 |
| 6697307 | Apparatus for assigning spare areas for defect management and apparatus for handling fragmented ECC blocks | Jung-wan Ko | 2004-02-24 |
| 6687201 | Apparatus for generating seek direction detection signal | Byung-in Ma, Chong-sam Chung, Byoung-ho Choi, Tae-yong Doh, Jin-hoon Jeon | 2004-02-03 |
| 6671238 | Physical identification data addressing method using wobble signal, method of detecting wobble address encoding circuit, method and circuit for detecting wobble address, and recording medium therefor | Jung-wan Ko, Kyung-geun Lee, Du-seop Yoon, Seong-sin Joo, Jae-seong Shim +4 more | 2003-12-30 |
| 6646976 | Optical pickup apparatus capable of reducing cross talk by adjacent tracks and a method therefor | Chong-sam Chung, Young-man Ahn, Tae Kyung Kim, Hea-jung Suh, Seung-tae Jung +2 more | 2003-11-11 |
| 6611482 | Error signal detecting apparatus for optical recording/reproducing apparatus | Byung-in Ma, Chong-sam Chung, Byoung-ho Choi, Tae-yong Doh | 2003-08-26 |
| 6606295 | Disc accomodating adaptor and a method and apparatus for driving the same | Young-sun Seo, Dong-Ho Shin, Jung-wan Ko, Han-kook Choi, Jong Pil Park +2 more | 2003-08-12 |
| 6594208 | Method for handling fragmented blocks and allocating spare areas for defect management of a recording medium | Jung-wan Ko | 2003-07-15 |
| 6587413 | Recording medium having spare areas for defect management and method of allocating spare areas | Jung-wan Ko | 2003-07-01 |
| 6584049 | Device for reducing cross talk in signal detecting apparatus used in an optical pickup device | Byung-in Ma, Joong-eon Seo, Chong-sam Chung | 2003-06-24 |
| 6574189 | Cartridge having sensor hole to be opened/closed and apparatus and method for driving the same | Jung-wan Ko, Dong-Ho Shin, Young-sun Seo, Han-kook Choi, Jong-phil Park +2 more | 2003-06-03 |
| 6560178 | Tilt compensation method and apparatus therefor | Kyung-geun Lee, Jung-wan Ko | 2003-05-06 |
| 6560177 | Recording medium having spare areas for defect management and method of allocating spare areas | Jung-wan Ko | 2003-05-06 |
| 6556521 | 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, Byung-in Ma, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2003-04-29 |
| 6556520 | 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, Byung-in Ma, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2003-04-29 |
| 6556522 | Recording medium having spare areas for defect management and method of allocating spare areas | Jung-wan Ko | 2003-04-29 |
| 6538971 | Optical information recording/reproducing apparatus and method for using both disc cartridges holding 8cm and 12cm disc | Young-sun Seo, Hao-kook Choi, Myoung-Jong Song | 2003-03-25 |
| 6512731 | Optical recording/reproducing apparatus and method for using various sizes, and types of recording/reproducing mediums therein | Young-sun Seo, Han-kook Choi, Myoung-Jong Song | 2003-01-28 |
| 6507544 | Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system and method therefor | Byung-in Ma, Byung Ho Choi, Chong-sam Chung, Tae-yong Doh, Joong-eon Seo | 2003-01-14 |
| 6473260 | Optical information recording/reproducing apparatus and method for using both disc cartridges holding 8cm and 12cm disc | Young-sun Seo, Han-kook Choi, Myoung-iong Song | 2002-10-29 |
| 6469979 | 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, Byung-in Ma, Chong-sam Chung, Jang-hoon Yoo, Jung-wan Ko +2 more | 2002-10-22 |
| 6466535 | Method and apparatus for recording and reproducing data on and from an optical disk | — | 2002-10-15 |