Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316962 | Image formation apparatus and image formation method for forming an image on a folded print medium | — | 2016-04-19 |
| 9030218 | Method for thermal stabilization of probe card and inspection apparatus | Kazunari Ishii, Tetsuji Watanabe, Shinya Koizumi | 2015-05-12 |
| 8761644 | Development unit and image forming apparatus using the same | — | 2014-06-24 |
| 8655233 | Developer container, developing device and image forming device | — | 2014-02-18 |
| 8027604 | Image forming apparatus having a voltage change determiner | — | 2011-09-27 |
| 7395017 | Image forming apparatus | — | 2008-07-01 |
| 7330683 | Circumferential speed and developer characteristics | — | 2008-02-12 |
| 7261990 | Toner particles for image forming apparatus | — | 2007-08-28 |
| 7260348 | Image forming apparatus having a toner-supplying roller and a developing roller configured to meet a specific parameter | — | 2007-08-21 |
| 7099610 | Image forming apparatus | — | 2006-08-29 |
| 6009299 | Electrophotographic imaging apparatus using multi-layered toner | Toru Ishihara, Masamitsu Nagamine, Kuniharu Hayashi | 1999-12-28 |
| 5839021 | Developing unit for an electrophotographic printer employing a supply roller for transferring toner to a developing roller | Kuniharu Hayashi, Masamitsu Nagamine | 1998-11-17 |
| 5455664 | Electrophotographic printer for transferring images on different sized print medium and transferring method of the same | Katsuyuki Ito, Shinichi Katakura, Toru Ishihara | 1995-10-03 |