Inventor
MATSUOKA NOBUO
JP16 patents
Patents
16 patentsUS5748335AMay 5, 1998
Image reading apparatus with A/D conversion and adjustment thereof
CANON KK28 citations92
US5596427AJan 21, 1997
Image reading apparatus with A/D conversion and adjustment thereof
CANON KK26 citations92
US5121230AJun 9, 1992
Image reading apparatus having adjusting circuits for matching the level of and compensating for fluctuation among a plurality of sensing elements
CANON KK28 citations92
US4891690AJan 2, 1990
Color image reading apparatus with plural linear sensors which can read different lines of the image
CANON KK41 citations92
US4745466AMay 17, 1988
Digital color image processing apparatus with color masking processing unit addressed by a plurality of multi-bit color component signals using various combinations of the bits of the signals
CANON KK38 citations92
US6208828B1Mar 27, 2001
Compact image forming apparatus
CANON KK18 citations84
US7535580B2May 19, 2009
Image forming apparatus and image forming method
CANON KK10 citations83
US5077605ADec 31, 1991
Color image reading apparatus having shading correction for plural color component signals
CANON KK19 citations82
US4862286AAug 29, 1989
Image reading apparatus which adjusts image signals to improve signal balance
CANON KK21 citations81
US5185659AFeb 9, 1993
Color image reading apparatus having common circuitry for the color component signals
CANON KK7 citations74
US4987484AJan 22, 1991
Halftone image signal processing apparatus in which pixels of a dither threshold pattern are each divided into an operator-selected number of micropixels
CANON KK18 citations74
US4590514AMay 20, 1986
Color image processing apparatus
CANON KK12 citations74
US7170643B2Jan 30, 2007
Image reading apparatus, composite apparatus using the image reading apparatus, and control apparatus and method for the image reading apparatus
CANON KK7 citations73
US5166784ANov 24, 1992
Original reading apparatus, having a filter, for reading a color original
CANON KK12 citations73
US6952290B2Oct 4, 2005
Sensing of original size
CANON KK11 citations72
US4774566ASep 27, 1988
Color image processing apparatus for processing a serial color signal comprising plural color component signals into identical phase parallel signals
CANON KK6 citations63