Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023342 | Image processing device which transfers scanned sheets to a printing region | — | 2000-02-08 |
| 5970282 | Method of cleaning a surface in an image forming apparatus by feeding toner to the surface | Atsuo Tokunaga | 1999-10-19 |
| 5881339 | Image forming apparatus having a cleaning blade for removing deposited toner | Atsuo Tokunaga | 1999-03-09 |
| 5775918 | System for making examination papers and having an automatic marking function | Takako Sato, Tetsuya Kagawa | 1998-07-07 |
| 5600428 | Sheet separator for an image forming apparatus | — | 1997-02-04 |
| 5597311 | System for making examination papers and having an automatic marking function | Takako Sato, Tetsuya Kagawa | 1997-01-28 |
| 5396319 | Cleaning device for an image forming apparatus | Masaki Tokuhashi, Makoto Arai, Toshitaka Yamaguchi, Hiroshi Ono | 1995-03-07 |
| 5184184 | Image forming apparatus | Keisuke Hayashi, Kouji Ishigaki, Kazuyuki Nakahara, Fumio Kishi | 1993-02-02 |
| 4984024 | Image transfer unit for image recording apparatus | Hiroyuki Ohkaji, Itaru Matsuda | 1991-01-08 |