Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596758 | Memory protecting device for use in compact electronic apparatus equipped with an external power supply | — | 1997-01-21 |
| 5266750 | Tablet input device | — | 1993-11-30 |
| 5003193 | Scan control circuit for hand-held type printer | — | 1991-03-26 |
| 4901163 | Image reader for a portable copier | Hiroshi Tsujioka, Shigeo Yoneda | 1990-02-13 |