Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739160 | Optical coordinate data entry device with integral lens and spacer | Hiroaki Sasaki | 1988-04-19 |
| 4737632 | Array assembly of photoelectric touch panel with bent sidewalls | Hiroaki Sasaki | 1988-04-12 |