Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696561 | Fixing roller pressing mechanism for copying machines | Hiranaga Yamamoto | 1987-09-29 |
| 4616765 | Hinge structure with torsion bar for electrophotographic copying machine | — | 1986-10-14 |