Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840300 | Paper conveying roller for image forming apparatus | — | 1989-06-20 |
| 4802439 | Pressure applying mechanism for fixing rollers of a copying apparatus | Yuji Sugimoto, Shoichiro Yoshiura | 1989-02-07 |