Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6137903 | Color transformation system based on target color image | — | 2000-10-24 |
| 5612795 | HSL corrections in CMY color space | — | 1997-03-18 |
| 5502642 | HSL neighborhoods in CMY color space | — | 1996-03-26 |
| 5359436 | Black recalculation for arbitrary HSL corrections in CMY color space | Eggert Jung | 1994-10-25 |