Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8346109 | Image forming apparatus with reset operation processing unit | — | 2013-01-01 |
| 8213814 | Image forming apparatus | — | 2012-07-03 |
| 8090278 | Image forming apparatus having an image bearing body | — | 2012-01-03 |
| 7831162 | Image forming apparatus with surface potential adjustment based on idle time | — | 2010-11-09 |
| 7756436 | Image forming apparatus with improved quality on image of low dot population | — | 2010-07-13 |
| 7515840 | Image forming apparatus including a counting section for counting the toner image | — | 2009-04-07 |
| 6799003 | Fixing device, method for temperature control of the same, and method for manufacturing rollers of the same | Mitsuru Kishimoto, Masahiko Shimosugi, Shigeru Tsunoda | 2004-09-28 |
| 6766121 | Image forming apparatus that periodically discharges waste toner and method of operation thereof | Hirotomo Nonaka, Satoshi Ishikawa | 2004-07-20 |
| 6397021 | Image forming apparatus | Kuniharu Hayashi, Masamitsu Nagamine, Hiroyuki Yajima, Tatsuya Murakami | 2002-05-28 |
| 6081679 | Method of cleaning residual toner from drum and rollers of image forming apparatus | Akihito Onishi, Hirokazu Ando, Takao Mizutani, Masao Isoda | 2000-06-27 |
| 6014156 | Electrophotographic printer having image writing timed to prevent toner clumping | — | 2000-01-11 |
| 5974277 | Electrophotographic printing apparatus with two charging bodies | Kuniharu Hayashi | 1999-10-26 |
| 5970302 | Method of cleaning in electrophotographic printer | — | 1999-10-19 |