Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355220 | Optical movement measuring method and apparatus using interference fringes generated by overlapping spots of diffracted lights of different orders of diffraction from a line source | Hiroshi Kobayashi, Haruhiko Machida, Jun Akedo, Tomoyuki Yamaguchi | 1994-10-11 |
| 5333231 | Wavelength conversion element | Hiroaki Fukuda, Shigeyoshi Misawa | 1994-07-26 |