Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085475 | Zoom lens system, interchangeable lens apparatus and camera system | Keiichi Zaitsu | 2011-12-27 |
| 8019211 | Zoom lens system, interchangeable lens apparatus and camera system | Keiichi Zaitsu | 2011-09-13 |
| 8004585 | Zoom lens system, interchangeable lens apparatus and camera system | Katsu Yamada, Takuya Imaoka, Masaki Sampei | 2011-08-23 |