Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847499 | Optical head and method of adjusting optical path thereof | Jong-Chul Choi, Chong-sam Chung, Tae Kyung Kim, Kwang Soo Kim, Jin Won Lee | 2005-01-25 |
| 6807144 | Optical recording medium recordable on land and groove tracks | Tae Kyung Kim, Young-man Ahn, Chong-sam Chung, Jong-bae Kim, Du-seop Yoon | 2004-10-19 |