Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018631 | Original reading device and image forming apparatus | — | 2011-09-13 |
| 7995253 | Image reading device and control method thereof | — | 2011-08-09 |
| 7989748 | Image reading apparatus, image forming apparatus, image inspecting apparatus and image forming system | Yoshihisa Soeda, Norio Yamada, Osamu Inage, Kenichi Satoh, Atsushi Ikeda | 2011-08-02 |
| 7609422 | Document reading apparatus that reads a document image with a CCD image sensor | — | 2009-10-27 |
| 7605951 | Image reader, image forming and reproducing apparatus, and image reading method | — | 2009-10-20 |
| 5382129 | Sheet feed device for an image forming apparatus | Tomohito Shimizu, Hiroshi Mori, Takeshi Yamakawa, Susumu Shiina, Keisuke Hayashi | 1995-01-17 |
| 5027117 | Conversion using a variable reference based on image density | Yoshiki Yoshida, Kiyoto Nagasawa | 1991-06-25 |