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Kawaguchi; Hiroshi
Numazu, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8150281 Image forming apparatus April 3, 2012
In the case where a peripheral velocity of photosensitive drums differs from a peripheral velocity of an intermediate transfer belt, the peripheral velocity of the intermediate transfer belt or the peripheral velocity of the photosensitive drums is corrected. The velocity of the inte
7813659 Image forming apparatus and method of controlling the same October 12, 2010
This invention provides an image forming apparatus capable of more reliably detecting patches formed on a recording medium while suppressing an increase in the consumption of printing media and toners. In an image forming apparatus which detects the density or color of each patch of a
6704528 Image forming apparatus having detachable cleaning unit March 9, 2004
An image forming apparatus comprises a belt member, a roller for supporting the belt member, a retainer for retaining a rotating shaft of the roller such that the roller retained by the retainer can be moved only in a predetermined one direction, an image forming device for forming an im

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