Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672204 | Optical disc, method and apparatus for managing a defective area on an optical disc | Yong Cheol Park | 2010-03-02 |
| 7668054 | Method of managing overwrite and method of recording management information on an optical disc write once | Yong Cheol Park | 2010-02-23 |
| 7643390 | Write-once optical recording medium and defect management information management method thereof | Yong Cheol Park | 2010-01-05 |
| 7630283 | Optical disc, method and apparatus for managing a defective area on an optical disc of write once type | Yong Cheol Park | 2009-12-08 |
| 7630742 | Locker structure of battery pack for wireless device | Jongho Park, Byoung Nam Kim, Seunghyun Bang | 2009-12-08 |
| 7624299 | Write-once optical disc, and method and apparatus for recording management information on write-once optical disc | Yong Cheol Park | 2009-11-24 |
| 7613085 | Method and apparatus for managing defective area on recording medium, and recording medium using the same | Yong Cheol Park | 2009-11-03 |
| 7610000 | Developing device driver and an image forming apparatus using the same | Cheol-young Han | 2009-10-27 |
| 7606517 | Image forming apparatus having a power controlling device that controls power supplied to developers | Cheol-young Han, Young Min Yoon | 2009-10-20 |
| 7590372 | Multi-pass type color image forming apparatus | Su-kyoung Chae, Young Min Yoon, Gun-Ho Kim | 2009-09-15 |
| 7554891 | Method and apparatus for recording or reproducing on or from optical medium using SBM information | Yong Cheol Park | 2009-06-30 |
| 7532548 | Method and apparatus for managing overwrite on an optical disc write once | Yong Cheol Park | 2009-05-12 |
| 7532551 | Method for managing defective area on write-once optical recording medium, and optical recording medium using the same | Yong Cheol Park | 2009-05-12 |
| 7499383 | Write-once optical disc and method for managing spare area thereof | Yong Cheol Park | 2009-03-03 |
| 7489604 | Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc | Yong Cheol Park | 2009-02-10 |
| 7483349 | Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using TDMA information | Yong Cheol Park | 2009-01-27 |
| 7477581 | Defect management method for optical recording medium and optical recording medium using the same | Yong Cheol Park | 2009-01-13 |
| 7428396 | Power transmitting device for developing device and image forming apparatus with the same | — | 2008-09-23 |
| 7376373 | Image forming apparatus having a power transmitting device to selectively operate developing units thereof | Cheol-young Han, Hae-seog Jo, Young Min Yoon | 2008-05-20 |
| 7372788 | Method for managing defective area on write-once optical recording medium, and optical recording medium using the same | Yong Cheol Park | 2008-05-13 |
| 7355934 | Optical disc of write once type, method, and apparatus for managing defect information on the optical disc | Yong Cheol Park | 2008-04-08 |
| 7311438 | Agitator, image forming apparatus having the same and method for agitating | Myoung-chan Kim, Gwoang-Joe Seorl | 2007-12-25 |
| 7289404 | Write-once recording medium and defective area management method and apparatus for write-once recording medium | Yong Cheol Park | 2007-10-30 |
| 7269373 | Liquid-type image forming apparatus and a method for controlling the same | Hyun-seong Shin | 2007-09-11 |
| 7266334 | Cooling unit for cooling an intermediate transfer medium of an image forming apparatus | Kwoang-joe Seorl, Young-Joon Lee | 2007-09-04 |