Hideaki Tamiya
22Patents
4h-index
14Co-inventors
60Inventor score
Filing activity: Apr 13, 1994 → Nov 20, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5637868A | Fixed point detecting device using detection of light diffracted by holographic diffraction gratings | Physics | 10 | Expired |
| US7034948B2 | Displacement pickup | Physics | 8 | Expired |
| US5499096A | Optical instrument and measurement for measuring displacement of scale using different order diffraction of a diffraction grating | Physics | 7 | Expired |
| US6879405B2 | Displacement pickup | Physics | 5 | Expired |
| US7808650B2 | Displacement measuring apparatus | Physics | 3 | Active |
| US9074861B2 | Displacement detecting device | Physics | 3 | Active |
| US7738112B2 | Displacement detection apparatus, polarization beam splitter, and diffraction grating | Physics | 2 | Active |
| US9810521B2 | Displacement detection apparatus | Physics | 2 | Active |
| US8687202B2 | Displacement detecting device | Physics | 1 | Active |
| US9612104B2 | Displacement detecting device | Physics | 1 | Active |
| US7493007B2 | Hermetic seal device for polarization-maintaining optical fiber and hermetic seal partition | Physics | 1 | Active |
| US7336367B2 | Light-receiving/emitting composite unit, method for manufacturing the same, and displacement detection device | Physics | 1 | Active |
| US9689662B2 | Displacement detecting device and scale | Physics | 1 | Active |
| US7995212B2 | Optical displacement measuring device | Physics | 0 | Active |
| US8363230B2 | Displacement detecting device | Physics | 0 | Active |
| US10451401B2 | Displacement detecting device with controlled heat generation | Physics | 0 | Active |
| US7808649B2 | Fixed-point detector and displacement-measuring apparatus | Physics | 0 | Active |
| US7933023B2 | Displacement detection apparatus, displacement measurement apparatus and fixed point detection apparatus | Electricity | 0 | Expired |
| US9303973B2 | Displacement detection apparatus | Physics | 0 | Active |
| US11512942B2 | Displacement detection device | Physics | 0 | Active |
| US7187449B2 | Light-receiving/emitting composite unit, method for manufacturing the same, and displacement detection device | Physics | 0 | Expired |
| US8247786B2 | Non-contact displacement detecting device using optical astigmatism | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.