Ichikawa; Souji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ichikawa; Souji.The latest application filed is for "two-dimensional optical encoder with three gratings in each dimension".
- Ichikawa; Souji - Kanagawa JP
- Ichikawa; Souji - Sagamihara JP
- Ichikawa; Souji - Sahamihara JP
| Patent | Date |
|---|---|
| Two-dimensional optical encoder with three gratings in each dimension Grant 5,204,524 - Ichikawa , et al. April 20, 1 | 1993-04-20 |
| Angular velocity sensor with displacement scale and sensor means Grant 5,198,663 - Ichikawa , et al. March 30, 1 | 1993-03-30 |
| Optical encoder Grant 5,067,816 - Ichikawa November 26, 1 | 1991-11-26 |
| Optical encoder Grant 5,026,164 - Ichikawa June 25, 1 | 1991-06-25 |
| Diffraction-type optical encoder with improved detection signal insensitivity to optical grating gap variations Grant 4,943,716 - Ichikawa , et al. July 24, 1 | 1990-07-24 |
| Optical type displacement detecting device Grant 4,912,322 - Ichikawa March 27, 1 | 1990-03-27 |
| Linear scale type displacement measuring device and main scale attaching method thereof Grant 4,569,137 - Ichikawa February 11, 1 | 1986-02-11 |
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