Issued Patents 2025
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422676 | Eye tracking head mounted display device | Andreas Georgiou, Bernard C. Kress, Ishan Chatterjee, Joel S. Kollin, Mario Possiwan | 2025-09-23 |
| 12422677 | Slanted surface relief grating replication by optical proximity recording | Bernard C. Kress, Ishan Chatterjee, Joel S. Kollin | 2025-09-23 |
| 12320973 | Dynamic control of waveguide eye box | Joel S. Kollin, Ishan Chatterjee, Benjamin Eliot LUNDELL, Christopher Charles AHOLT, Andreas Georgiou +2 more | 2025-06-03 |
| 12313845 | Illuminating spatial light modulator with LED array | Ishan Chatterjee, Fei Chen, Bernard C. Kress, Joel S. Kollin, Scott Woltman | 2025-05-27 |