Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947146 | Optical object identification device and printing apparatus using the same | Akifumi Yamaguchi | 2005-09-20 |
| 6859266 | Optical movement detecting device and transport system using the same | Akifumi Yamaguchi | 2005-02-22 |