Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8199622 | Method for emulating optical disk, optical disk drive using the same, and optical disk including security zone | In Chang Yang, Young Mo Goo, Byeong Rim Jo | 2012-06-12 |
| 7890522 | Record media written with data structure for recognizing a user and method for recognizing a user | Dong-Hyun Yoo | 2011-02-15 |
| 7596062 | Method of preventing optical recording media from being fractured and apparatus thereof | Jong-Man Kim, Hyo-Kune Hwang, Wae Yeul Kim, Nam-Woong Kim | 2009-09-29 |
| 7565669 | Optical disc drive with optical disk heating member | Jong-Man Kim, Hyo-Kune Hwang, Nam-Woong Kim | 2009-07-21 |
| 7258907 | Optical disk | Hyo-Kune Hwang, Jong-Man Kim, Nam-Woong Kim | 2007-08-21 |
| 7202630 | Traveling cleaner charging device and method | — | 2007-04-10 |
| 6676477 | Toy having detachable central processing unit | Jong Rak Lim, Jae Na, Jang Boo, Hee Wang, Nam-Woong Kim +1 more | 2004-01-13 |
| 5964425 | Deck mechanism of headphone stereo | Hong Jin | 1999-10-12 |
| 5752893 | Driving force transmitting apparatus for headphone stereo mechanism | — | 1998-05-19 |