Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6091399 | Display controller for refreshing operator's visual strain | Hiroto Sumiyoshi, Setsuo Shimada | 2000-07-18 |
| 5619319 | Apparatus for acquiring data used to evaluate and reproduce the color of a sample on the basis of the chroma and glossiness of the sample | — | 1997-04-08 |
| 5223916 | Device for discriminating variations in the magnitudes of color differences | — | 1993-06-29 |