Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7266337 | Fixing roller, and method of producing the same, fixing device and image forming device | Michinori Nakamura, Naruhiko Ito, Kazuaki Teshima, Kazuhiro Murakami, Kazuki Yokokawa +6 more | 2007-09-04 |
| 6658228 | Image forming apparatus for transferring toner in a developing unit | — | 2003-12-02 |
| 6258501 | Developing agent and image forming apparatus | — | 2001-07-10 |
| 5802430 | Image forming apparatus having means for adsorbing impurities contained in the toner returned by the recycling mechanism | — | 1998-09-01 |