Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287120 | Document feeder and image forming device | Katsuhisa Ichikawa, Syuichi Katogi | 2019-05-14 |
| 10084295 | Electric noise reduction device with retainer | Syuichi Katogi | 2018-09-25 |
| 8781349 | Image forming apparatus performing image concentration stabilization control | Katsuyuki Hirata, Yoshinori Tsutsumi | 2014-07-15 |
| 7664420 | Image forming apparatus having monochrome and color print modes and a plurality of system speeds | Taiichi Oominami, Seiji Shibata, Hiroyuki Maeda, Hideki Mekada, Yuichi Yamamoto | 2010-02-16 |