Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664424 | Cleaning device and image forming apparatus | Yusuke Kitagawa | 2010-02-16 |
| 7522862 | Neutralization device and image forming unit for use in image forming apparatus, and the image forming apparatus | — | 2009-04-21 |
| 7314129 | Image forming apparatus | — | 2008-01-01 |
| 7062184 | Image formation device and sheet material selection device | Hideyuki Ohtani, Shigeyuki Matsumoto, Tadashi Kiyama, Yukio Hayashi | 2006-06-13 |
| 6697581 | Image forming apparatus | Hideyuki Ohtani | 2004-02-24 |