Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814237 | Method for forming deflection grating | — | 1998-09-29 |
| 5581108 | Optical Switching device | Hong-Man Kim, Kwang Ryong Oh, Ki Sung Park | 1996-12-03 |
CP
Chong-Dae Park
Korea Telecommunication Authority: 1 patents #116 of 420Top 30%
Overall (All Time): #2,264,576 of 4,157,543Top 55%
2
Patents All Time