Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860026 | Halftone image recording method using recording data having a plurality of concentrations for one color | Kentaro Matsumoto, Makoto Takaoka, Toyokazu Uda, Susumu Sugiura | 1989-08-22 |