Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889794 | Method of changing the density of image on simple color proof using a randomly dotted half tone mask | — | 1989-12-26 |
| 4494845 | System for controlling the activity of developing solutions and apparatus for processing photosensitive materials | Haruo Aoki | 1985-01-22 |