Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889052 | Paper feed control for a dot-line printer | Yoshikane Matsumoto, Toshio Hiki | 1989-12-26 |
| 4879947 | Printhead which minimizes stray magnetic flux | Kenichi Igarashi | 1989-11-14 |