Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359193 | Talbot's interference type optical encoder | Masaru Nyui | 1994-10-25 |
| 5327218 | Method and apparatus for measuring displacement by using a diffracted inverted image projected on a diffraction grating | — | 1994-07-05 |
| 5323001 | Rotary encoder with scale member and interference of zero and first order diffraction beam | Yoshifumi Nishimoto | 1994-06-21 |
| 5302821 | Encoder using a birefringent element and a system including the same | Koh Ishizuka, Masaru Nyui | 1994-04-12 |