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Inventor: Imura; Tomoyuki
Address: Toyohashi, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7555232 |
Image forming apparatus and developing method |
June 30, 2009 |
| An image forming apparatus has a plurality of developing devices each including a developing member carrying and transferring developer toward a developing region and a charging member charging developer carried by the developing member, a development bias applying device applying an AC |
| 7302214 |
Developing device having a voltage application member for applying varied voltages |
November 27, 2007 |
| A developing device 10 has a voltage application member 18 which is in contact via a toner layer with a developing roller 14 that rotates while holding the toner layer on its outer peripheral surface. To the toner layer, the voltage application member 18 applies a relatively low voltage |
| 7106981 |
Image forming apparatus |
September 12, 2006 |
| An image forming apparatus includes a plurality of printing units each having an image bearing member for rotation about an axis and a process member which cooperates with the image bearing member in an image forming process; a transfer member for moving in contact with the image bearing |
| 7095969 |
Developing device |
August 22, 2006 |
| A developing device has a voltage application member which is in contact via a toner layer with a developing roller that rotates while holding the toner layer on its outer peripheral surface. A voltage that the voltage application member applies to the toner layer is switched between AC |
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