Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453594 | Document filing apparatus for storing information added to a document file | — | 2008-11-18 |
| 5563403 | Method and apparatus for detection of a skew angle of a document image using a regression coefficient | Koichi Ejiri | 1996-10-08 |
| 5351313 | Binarization method | Michiyoshi Tachikawa | 1994-09-27 |
| 5097520 | Method of obtaining optimum threshold values | Michiyoshi Tachikawa | 1992-03-17 |
| 5075895 | Method and apparatus for recognizing table area formed in binary image of document | — | 1991-12-24 |