Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373988 | Lossless image compression with tree coding | Per Thorell, Filippo Passaggio | 2002-04-16 |
| 6317520 | Non-reversible differential predictive compression using lossy or lossless tables | Filippo Passaggio, Per Thorell | 2001-11-13 |
| 4409636 | Device for detecting faulty phases in a multi-phase electrical network | Nils G. L. Brandt | 1983-10-11 |