Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6748166 | Lens-barrel and camera system having the lens-barrel | Tsuneo Watanabe | 2004-06-08 |
| 5898526 | Lens barrel comprising an ultrasonic motor | Isao Soshi | 1999-04-27 |
| 5243374 | Lens barrel having a power zooming function and a camera system | Hideshi Naito | 1993-09-07 |
| 5187513 | Focusing apparatus | Hitoshi Imanari | 1993-02-16 |