Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991254 | Optical pickup having a multi-coated polarization holographic element | Chul-woo Lee, Chong-sam Chung | 1999-11-23 |
KC
Keon-ho Cho
Overall (All Time): #3,668,802 of 4,157,543Top 90%
1
Patents All Time