Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664990 | Illumination apparatus and projection-type image display apparatus having the same | Sung Tae Kim | 2017-05-30 |
| 9645477 | Polarization LED module, and lighting device and projector having the same | Sung Tae Kim | 2017-05-09 |