Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151135 | Method and apparatus for color reproduction | Kenji Tanaka, Hideki Yamanaka, Naoki Nishiyama | 2000-11-21 |
| 5767992 | Color reproducing method and apparatus for converting a color space data into another color space data | Kenji Tanaka | 1998-06-16 |