Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774270 | Encoder | Norman Laman, Joseph Daniel Tobiason, Shu Hirata, Tatsuhiko Mukuta | 2023-10-03 |
| 11686570 | Displacement sensor and profile measurement apparatus | — | 2023-06-27 |
| 11598629 | Optical displacement sensor | — | 2023-03-07 |
| 11199400 | Optical angle sensor | — | 2021-12-14 |
| 10859374 | Optical angle sensor | — | 2020-12-08 |
| 10831035 | Optical encoder | — | 2020-11-10 |
| 10746573 | Optical encoder and measurement device including the same | — | 2020-08-18 |
| 10627215 | Optical sensor | — | 2020-04-21 |
| 10591321 | Optical encoder | — | 2020-03-17 |
| 10302466 | Contamination and defect resistant optical encoder configuration including first and second illumination source diffraction gratings arranged in first and second parallel planes for providing displacement signals | Joseph Daniel Tobiason, Norman Laman, Shu Hirata | 2019-05-28 |
| 10295648 | Contamination and defect resistant optical encoder configuration including a normal of readhead plane at a non-zero pitch angle relative to measuring axis for providing displacement signals | Joseph Daniel Tobiason, Norman Laman, Shu Hirata | 2019-05-21 |
| 10295378 | Contamination and defect resistant optical encoder configuration outputting structured illumination to a scale plane for providing displacement signals | Joseph Daniel Tobiason, Norman Laman, Shu Hirata | 2019-05-21 |
| 10274344 | Displacement encoder | Joseph Daniel Tobiason | 2019-04-30 |
| 10190893 | Encoder | — | 2019-01-29 |
| 10190892 | Encoder | — | 2019-01-29 |
| 10168189 | Contamination and defect resistant optical encoder configuration for providing displacement signal having a plurality of spatial phase detectors arranged in a spatial phase sequence along a direction transverse to the measuring axis | Joseph Daniel Tobiason, Shu Hirata | 2019-01-01 |
| 10094685 | Displacement encoder | Joseph Daniel Tobiason | 2018-10-09 |
| 10030998 | Displacement detecting device by light retroreflectance having first and second retroreflecting units with a common light receiving unit | — | 2018-07-24 |
| 9903742 | Displacement detecting device | — | 2018-02-27 |
| 9587965 | Optical encoder and reference signal generation method for optical encoder | — | 2017-03-07 |
| 9534936 | Reference signal generation apparatus and reference signal generation system | — | 2017-01-03 |
| 9157769 | Reference signal generation apparatus and reference signal generation system | — | 2015-10-13 |
| 9134144 | Displacement detecting device, scale calibrating method and scale calibrating program | — | 2015-09-15 |
| 9068863 | Encoder | — | 2015-06-30 |