Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931861 | Method of and apparatus for correcting color pattern in multicolor process | — | 1990-06-05 |
| 4922332 | Method of and apparatus for generating tint pattern data | Masaaki Yamamura | 1990-05-01 |