Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9147426 | Optical pickup and optical information storage system including the same | Ki-bok Kim, Ji-sun Ahn, Jin Ho JEONG, Seung-man Han | 2015-09-29 |
| 8984543 | Beam controlling method and optical pickup device for performing the method | Ki-bok Kim, Ji-sun Ahn, Chan-ik Lee, Jin Ho JEONG | 2015-03-17 |