Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7570444 | Imaging optical system and image reading apparatus using the same | Nobuyuki Tochigi, Tadao Hayashide, Kazuyuki Kondo | 2009-08-04 |
| 7397585 | Imaging optical system and image reading apparatus including four, free-form shaped, resin off-axis reflective elements | Nobuyuki Tochigi, Tadao Hayashide, Kazuyuki Kondo | 2008-07-08 |
| 7253928 | Imaging optical system and image reading apparatus using the same | Nobuyuki Tochigi, Tadao Hayashide, Kazuyuki Kondo | 2007-08-07 |