Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843433 | Automatic document feeder | Hisashi Minami, Yoichi Shimazawa, Shinitiro Hiraoka | 1989-06-27 |
| 4838537 | Automatic sheet winding and discharging device | Shinitiro Hiraoka | 1989-06-13 |