Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8200105 | First stage transfer bias of an image forming device | Makoto Matsushita | 2012-06-12 |
| 8099032 | Image forming apparatus | Takatsugu Iwami, Mitsutoshi Kichise | 2012-01-17 |
| 8059981 | Image forming apparatus and control method therefor | Takeshi Yamashita, Makoto Matsushita | 2011-11-15 |
| 8041243 | Image forming apparatus and image forming method capable of effectively transferring toner images | Makoto Matsushita | 2011-10-18 |
| 7903987 | Image forming apparatus and control method therefor | Makoto Matsushita, Takeshi Yamashita | 2011-03-08 |
| 7817928 | Image forming apparatus and image forming method | Takafumi Miyazaki | 2010-10-19 |
| 7778573 | Image forming apparatus and process cartridge | Takeshi Yamashita, Takafumi Miyazaki, Tomoya Adachi | 2010-08-17 |