Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5801378 | Optical encoder diffraction gratings for eliminating diffracted light components | Kazuhiro Hane, Atsushi Ieki | 1998-09-01 |
| 5260769 | Position detector | Atsushi Ieki, Masayuki Nashiki | 1993-11-09 |
| 5249032 | Optical position-detecting apparatus | Shuzo Hattori | 1993-09-28 |
| 5182613 | Position detecting apparatus generating periodic detection signals having equal third and fifth harmonic components | Atsushi Ieki, Yasukazu Hayashi | 1993-01-26 |
| 5170221 | Parallel light ray measuring apparatus | Atsushi Ieki | 1992-12-08 |
| 5068530 | Optical encoder | Atsushi Ieki | 1991-11-26 |
| 5066129 | Optical linear encoder with light quantity calabration | — | 1991-11-19 |
| 4983900 | Linear encoder with plural detectors for use with one or more main scales | Masayuki Nashiki, Atushi Ieki | 1991-01-08 |
| 4979827 | Optical linear encoder | — | 1990-12-25 |
| 4956553 | Optical encoder with varying grating pitch | — | 1990-09-11 |
| 4950891 | High resolution optical encoder having a long detection stroke | — | 1990-08-21 |
| 4948968 | High resolution optical encoder having a long detection stroke | — | 1990-08-14 |