Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703968 | Method and apparatus for detecting interpolation line | Yasuhiro Kuwahara, Tsumoru Fukushima | 1997-12-30 |
| 5691779 | Color conversion apparatus that restricts the color reproduction range of primary color signals | Tsumoru Fukushima | 1997-11-25 |
| 5661575 | Gradation correction method and device | Hideshi Ishihara, Yasuki Matsumoto | 1997-08-26 |
| 5644351 | Thermal gradation printing apparatus | Yasuki Matsumoto, Hideshi Ishihara | 1997-07-01 |
| 5619280 | Color conversion apparatus that restricts the color reproduction range of primary color signals | Tsumoru Fukushima | 1997-04-08 |