Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7295791 | Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof | — | 2007-11-13 |
| 7209677 | Detachable process unit including a charge elimination mechanism | — | 2007-04-24 |
| 7149452 | Discharge method for electrophotographic process unit detachable from imaging apparatus and image forming apparatus thereof | — | 2006-12-12 |
| 7035566 | Image forming machine | — | 2006-04-25 |
| 5812160 | Image forming apparatus with improved assemblies for tore carrier, toner passage control device and backing electrode | Takasumi Wada, Masayuki Tone, Keiji Itsukushima, Ove Larson | 1998-09-22 |
| 5483272 | Image forming apparatus and method for obtaining smooth charging, exposure and development | Hisashi Mukataka, Ryushi Imoo, Akira Satoh, Masahiro Nagata, Hiroyoshi Tode | 1996-01-09 |
| 5374949 | Image forming apparatus | Takasumi Wada, Masayuki Tone, Keiji Itsukushima, Ove Larson | 1994-12-20 |