Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11308724 | Optical character recognition technique for protected viewing of digital files | — | 2022-04-19 |
| 10733308 | Tags for unlocking digital content | — | 2020-08-04 |
| 10296854 | Techniques for protected viewing of digital files | — | 2019-05-21 |
| 9009078 | Optical character recognition technique for protected viewing of digital files | — | 2015-04-14 |
| 7861307 | Unlocking digital content on remote systems | — | 2010-12-28 |
| 6587583 | Compression/decompression algorithm for image documents having text, graphical and color content | Raymond C. Kurzweil, Kenneth M. MacKenzie | 2003-07-01 |
| 6320982 | Compression/decompression algorithm for image documents having text, graphical and color content | Raymond C. Kurzweil, Kenneth M. MacKenzie | 2001-11-20 |
| 6246791 | Compression/decompression algorithm for image documents having text, graphical and color content | Raymond C. Kurzweil, Kenneth M. MacKenzie | 2001-06-12 |
| 6137906 | Closest word algorithm | — | 2000-10-24 |
| 6068487 | Speller for reading system | — | 2000-05-30 |
| 6014464 | Compression/ decompression algorithm for image documents having text graphical and color content | Raymond C. Kurzweil, Kenneth M. MacKenzie | 2000-01-11 |
| 5999903 | Reading system having recursive dictionary and talking help menu | Michael Gorman | 1999-12-07 |