Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7278150 | Disc-chucking mechanism having contractable/expandable O-ring for fixing disc | — | 2007-10-02 |
| 6307284 | Positioning apparatus, information recording/reproducing apparatus, and inspection apparatus | Reiji Mitarai | 2001-10-23 |
| 5760392 | Scale for use with a displacement sensor | Yasushi Kaneda | 1998-06-02 |
| 5742391 | Optical type sensor for use as an optical measuring head or optical pickup | Yasushi Kaneda, Kou Ishizuka | 1998-04-21 |
| 5537210 | Rotation detecting apparatus and scale having a multi helix diffraction grating for the same | Yasushi Kaneda, Koh Ishizuka, Satoshi Ishii | 1996-07-16 |