Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750993 | Density calibration chart | — | 2004-06-15 |
| 6411318 | Color converting method, density-gradient correction method and color printer using the same | Mitsuru Sawano | 2002-06-25 |
| 6028617 | Method of recording an image | Mitsuru Sawano, Akihiro Sadaki | 2000-02-22 |