Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9921455 | Diaphragm device for video camera lens and method for controlling diaphragm device | Akinori Hamana, Kouichi Nagata, Shinichi Yamamoto, Hiroshi Nakamura | 2018-03-20 |
| 7787760 | Lens aperture-adjustment device and closed circuit television camera | — | 2010-08-31 |
| 7639437 | Lens driving system | Junichi Tanaka | 2009-12-29 |
| 7570299 | Automatic focusing system | — | 2009-08-04 |
| 7460778 | Taking lens | — | 2008-12-02 |
| 7417682 | Visible and infrared light photographing lens system | Satoshi Yahagi, Takami Hasegawa | 2008-08-26 |
| 6865036 | Lens drive device and lens device capable of setting an optimum braking characteristic | — | 2005-03-08 |
| 6781631 | Lens control unit | Hiroshi Kato | 2004-08-24 |