Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057159 | Emitting light source apparatus for use in optical encoder | — | 2006-06-06 |
| 6658754 | Sliding mechanism of encoder and manufacturing method thereof | — | 2003-12-09 |
| 6410911 | Optical displacement detecting apparatus | — | 2002-06-25 |
| 5995229 | Optical displacement measuring apparatus | — | 1999-11-30 |
| 5841133 | Optical displacement detecting apparatus having gratings and a light receiving chip | — | 1998-11-24 |
| 4840488 | Photoelectric type displacement detecting instrument | Yoshihiko Kabaya, Naofumi Yasuda | 1989-06-20 |