Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155355 | Photoelectric encoder having a grating substrate with integral light emitting elements | — | 1992-10-13 |
| 4840488 | Photoelectric type displacement detecting instrument | Naofumi Yasuda, Toshihiro Omi | 1989-06-20 |
| 4499374 | Photoelectrical encoder employing an optical grating | — | 1985-02-12 |