Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680211 | Apparatus for optically detecting displacement of an object using a synthesizing means utilizing a substrate with two diffraction gratings thereon | Yasushi Kaneda, Koh Ishizuka, Hiroshi Kondo | 1997-10-21 |
| 5666196 | Optical detection apparatus for detecting information relating to relative displacement of an object on whch a diffraction grating is formed | Ko Ishizuka, Hiroshi Kondo, Yasushi Kaneda | 1997-09-09 |
| 5657125 | Apparatus including a light-detecting element having a photo-electric conversion surface and an integral light blocking member | Shigeki Kato, Koh Ishizuka, Hiroshi Kondo, Yasushi Kaneda | 1997-08-12 |
| 5600406 | Fixing temperature control device | Yukihiro Aikawa, Hiroyuki Sadamori, Tsutomu Sugaya, Junichi Hirobe | 1997-02-04 |
| 5592220 | Camera apparatus having a self-timer function | Haruo Saitoh | 1997-01-07 |