Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911009 | Method and apparatus for binary coding of image data including adding error accumulated for a target pixel and a pixel in the vicinity to be later coded | — | 1999-06-08 |
| 5455682 | Method of and apparatus for recording halftone images | — | 1995-10-03 |
| 5268772 | Method of and apparatus for obtaining halftone image | — | 1993-12-07 |
| 4977464 | Method of producing halftone images by choosing a conversion function based on virtual and reference solid pixels | — | 1990-12-11 |
| 4825298 | Halftone dot-generator and generating method | Masayuki Murai | 1989-04-25 |
| 4692879 | Method of and apparatus for forming the address signals of a screen memory of a half tone dot generator | — | 1987-09-08 |
| 4673971 | Halftone dot formation | Katsunori Yamada | 1987-06-16 |
| 4503457 | Tint laying device for use in a picture reproducing machine | Hitomi Atoji | 1985-03-05 |