Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684897 | Method for quantizing color image data by minimizing least squares error of binary coding | Ryohei Kumagai | 1997-11-04 |
| 5594811 | Apparatus and method for recognizing a character | Ryohei Kumagai, Tetsuo Ohsiro | 1997-01-14 |