Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889439 | Zoom lens system, optical device with zoom lens system, and method of manufacturing zoom lens system | — | 2011-02-15 |
| 7755844 | Zoom lens, optical apparatus equipped with the zoom lens and method for forming an image of an object and varying a focal length | — | 2010-07-13 |
| 7672063 | Zoom lens, optical apparatus equipped with the zoom lens and method for forming an image of an object and varying a focal length | — | 2010-03-02 |
| 7453647 | Commom zoom optical system | Daisaku Arai | 2008-11-18 |
| 7336425 | Zoom lens system | Akihiko Obama | 2008-02-26 |
| 7199940 | Zoom lens system | Akihiko Obama | 2007-04-03 |
| 6577452 | Variable focal length lens system | Motoyuki Ohtake | 2003-06-10 |