Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085434 | Printer characterization for UV encryption applications | Raja Bala | 2011-12-27 |
| 8064102 | Embedding frequency modulation infrared watermark in digital document | Zhigang Fan, Martin E. Hoover, Danield A. Robbins | 2011-11-22 |
| 8064637 | Decoding of UV marks using a digital image acquisition device | Raja Bala, Reiner Eschbach | 2011-11-22 |