Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283188 | Compensator comprising a positive and negative birefringent retardation film | Sergey Belyaev, Byoung Kun Jeon, Karl Skjonnemand, Tara Perrett, Owain Llyr Parri | 2007-10-16 |
| 7169447 | Achromatic quarter wave film | Moon Soo Park, Byoung Kun Jeon, Karl Skjonnemand, Kim Slaney, Mark Verrall | 2007-01-30 |