Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7744080 | Sheet feed device and image forming apparatus | — | 2010-06-29 |
| 7675051 | Sheet detector mechanism including sheet detector further including photoreceptors, and image forming apparatus including the same | So Ohta, Noriaki Fukube, Tetsuya Ohfuchi | 2010-03-09 |
| 6996349 | Image forming apparatus capable of determining type of recording sheet to prevent sheet jam | So Ohta | 2006-02-07 |
| 6718145 | Image forming apparatus capable of determining type of recording sheet to prevent sheet jam | So Ohta | 2004-04-06 |