Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11281064 | Variable transmittance window and moving means comprising same | Soon Bum Kwon, Burm Young LEE, Hee Sang Yoo | 2022-03-22 |
| 11236544 | Smart window, sliding smart window, smart window for vehicle, sun visor for vehicle, smart window device, and head mounted smart window device | Soon Bum Kwon, Burm Young LEE, Hee Sang Yoo | 2022-02-01 |