Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7899285 | Leaky surface-plasmon mode directional coupler and polarization detection module for magneto-optical pickup head using the same | Yongwoo Park, Hyeon-Bong Pyo, Dong Woo Suh, Hojun Ryu, Mun Cheol Paek | 2011-03-01 |
| 6999660 | Highly efficient focusing waveguide grating coupler using leaky mode | Yongwoo Park, Mun Cheol Paek, Dong Woo Suh, Hojun Ryu, Hyeon-Bong Pyo | 2006-02-14 |