Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359677 | Image reader and facsimile machine using such image reader | Sadaaki Shimonaga | 1994-10-25 |
| 5276441 | Communication charge manageable digital communication unit and a method of managing communication charge | Sadaaki Shimonaga | 1994-01-04 |