Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7974530 | Diaphragm control apparatus of interchangeable lens camera | Toshiaki Yamada, Kosei Kosako, Yutaka Ohsawa, Hirotaka Ueno | 2011-07-05 |
| 7970273 | Diaphragm control apparatus of interchangeable lens camera | Toshiaki Yamada, Kosei Kosako, Yutaka Ohsawa, Hirotaka Ueno | 2011-06-28 |
| 7970274 | Diaphragm control apparatus of interchangeable lens camera | Toshiaki Yamada, Kosei Kosako, Yutaka Ohsawa, Hirotaka Ueno | 2011-06-28 |