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Toyomura; Yuji
Fukuoka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7463275 Light source for image writing apparatus and production method for light source December 9, 2008
An image forming apparatus includes a light source provided with converting structure for converting an advancing direction of light emitted from the light source, whereby a direction in which the light source is disposed can be determined regardless of a direction in which light is
7158161 Organic electroluminescence element and an exposure unit and image-forming apparatus both using January 2, 2007
Providing an exposure unit using an organic electroluminescence element with a large emitted light quantity.The organic electroluminescence element has, on a substrate 31, an anode 32 acting as a hole injection electrode, a cathode 33 acting as an electron injection electrode, a firs
6567192 Image reading apparatus May 20, 2003
An image reading apparatus for reading a original line by line, by moving the line image sensor in a direction orthogonal to the line, in which the line sensor is displaced in the line direction in each line to read the image of the original in a checkered pattern of pixels, and for
6037734 Motor velocity controlling method employing detection of all side edges of phase signals of an e March 14, 2000
An encoder produces a plurality of different phase signals. A detecting unit detects all edges of the plurality of different phase signals from the encoder. A central processing unit (CPU) measures edge intervals of edges succeeding with respect to time. A first process is for obtaining
5982948 Image reader November 9, 1999
An image reader, which is capable of reading tone effects of a document precisely and can be miniaturized, includes a document glass, a light source for illuminating the document, an optical system for image formation of a reflected light from the document, an image reading section,
5287209 Image forming device for enhancing tone reproduction by changing dot size February 15, 1994
An image forming device which perform tone reproduction of a by changing the size of dots according to input image data comprising a plurality of pixels, each of which has an image density. A block partitioning portion partitions the input image data into blocks, each which has a pre
5270769 Electrophotographic apparatus for formation of color image on intermediate transfer device December 14, 1993
An electrophotographic apparatus equipped with a photosensitive device rotatable which is responsive to exposure light so as to allow formation of a toner image thereon and an intermediate transfer device rotatable which is brought into contact with the photosensitive device so that the

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