Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7929187 | Image optical system and image reading apparatus equipped with same | Nobuyuki Tochigi, Tadao Hayashide, Kazuyuki Kondo | 2011-04-19 |
| 7903301 | Imaging optical system and image reading apparatus using the same | — | 2011-03-08 |