Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212774 | Device for preventing a developer cartridge of an image forming apparatus from being mistakenly installed or removed | Masaya Okamoto | 2007-05-01 |
| 7130561 | Image forming device | Masaya Okamoto | 2006-10-31 |
| 7088943 | Image forming apparatus, apparatus for supplying toner and developing apparatus using therefor | Ichiro Kawahara, Kazunari Iizuka, Koichi Tanaka | 2006-08-08 |
| 6253051 | Wet-type image forming apparatus and method | Takeshi Hirano | 2001-06-26 |
| 6144827 | Liquid image forming apparatus, squeeze roller, and process for renewing surface of squeeze roller | — | 2000-11-07 |