Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5008531 | Pulsed light identifying system | Shoichi Ono | 1991-04-16 |
| 5008532 | Light reception signal circuit for photoelectric switch | Shoichi Ono | 1991-04-16 |
| 4952800 | Photoelectric switch with heating responsive to temperature and light | Shoichi Ono, Takayuki Shiraishi, Kohei Hosayama | 1990-08-28 |
| 4940889 | Method and apparatus for visual indication of optical alignment of photoelectric switch | Shoichi Ono | 1990-07-10 |