Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7978417 | Eyepiece optical system and electronic view finder incorporating the same | Akinori Nishio, Keitaro Yokohama | 2011-07-12 |
| 7969658 | Eyepiece optical system and electronic view finder incorporating the same | Akinori Nishio, Keitaro Yokoyama | 2011-06-28 |