Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7280458 | Optical pickup apparatus and optimal light spot focusing method | Yong Jae Lee, Sung-ro Go, Pyong-yong Seong, Chang-jin Yang, Byung-in Ma +1 more | 2007-10-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7280458 | Optical pickup apparatus and optimal light spot focusing method | Yong Jae Lee, Sung-ro Go, Pyong-yong Seong, Chang-jin Yang, Byung-in Ma +1 more | 2007-10-09 |