Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791933 | Optical pickup using an optical phase plate | Jang-hoon Yoo, Chul-woo Lee, Chong-sam Chung, Pyong-yong Seong, Kun-ho Cho +3 more | 2004-09-14 |
NP
No Kyong Park
Overall (2004): #144,745 of 270,089Top 55%
1
Patents 2004