Inventor
NAGANO FUMIKAZU
JP35 patents
Patents
35 patentsUS4658289AApr 14, 1987
Color-picture analyzing apparatus for continuously switching-on green lamp and for alternatively switching-on blue and red-purpose lamps
SHARP KK175 citations98
US4670779AJun 2, 1987
Color-picture analyzing apparatus with red-purpose and green-purpose filters
SHARP KK114 citations96
US5687003ANov 11, 1997
Reader with high-resolution mode and high-speed mode
SHARP KK24 citations92
US5166811ANov 24, 1992
Image data processing apparatus
SHARP KK32 citations92
US4731661AMar 15, 1988
Color document reader with white balance adjuster for determining light emission periods for a plurality of different-colored light sources and corresponding integration times for a light sensor by reading a white reference area
SHARP KK41 citations92
US4663566AMay 5, 1987
Fluorescent tube ignitor
SHARP KK55 citations92
US6160636ADec 12, 2000
Image reading apparatus
SHARP KK32 citations89
US5920408AJul 6, 1999
Color image reader
SHARP KK17 citations84
US5126860AJun 30, 1992
Optical reading apparatus
SHARP KK21 citations82
US4910533AMar 20, 1990
Color thermal printer
SHARP KK20 citations82
US4658303AApr 14, 1987
Image reading apparatus
SHARP KK19 citations82
US4642679AFeb 10, 1987
Color image reading apparatus
SHARP KK19 citations82
US5585834ADec 17, 1996
Thermal recording apparatus with controlled energizing time
SHARP KK7 citations74
US5483357AJan 9, 1996
Image scanning device
SHARP KK11 citations74
US5168377ADec 1, 1992
Self-running scanner for optically reading images
SHARP KK12 citations74
US5136402AAug 4, 1992
Read-out apparatus for solid state imaging device and image scanner using the same
SHARP KK19 citations74
US5122872AJun 16, 1992
Picture data memory system for storing both black and white and color picture data with different resolutions
SHARP KK17 citations74
US5067168ANov 19, 1991
Reader for original documents and method
SHARP KK15 citations74
US4809083AFeb 28, 1989
Image reading and/or recording apparatus with enlarging and reducing function
SHARP KK17 citations74
US4707706ANov 17, 1987
Thermal color recording apparatus
SHARP KK8 citations74
US4691228ASep 1, 1987
Image reader
SHARP KK15 citations74
US4687919AAug 18, 1987
A lighting control device in manuscript reproduction equipment
SHARP KK7 citations74
US4654723AMar 31, 1987
CCD sensor output circuit of image reading apparatus
SHARP KK12 citations74
US4620236AOct 28, 1986
Image picture reading device
SHARP KK14 citations74
US5455412AOct 3, 1995
Document scanner employing a test chart to correlate the independent motion of the light source and the reader
SHARP KK7 citations73
US4910589AMar 20, 1990
Method of converting light data to color data with use of matrix coefficients
SHARP KK10 citations72
USRE37378ESep 18, 2001
Reader with high-resolution mode and high-speed mode
SHARP KK4 citations63
US5594489AJan 14, 1997
Thermal recording apparatus with a thermal head including energizing time controlling
SHARP KK3 citations63
US4947086AAug 7, 1990
System for lighting fluorescent lamps
SHARP KK4 citations63
US4926252AMay 15, 1990
Color image reading and recording apparatus and its image recording method for recording full color images from stored colored information created by a single scan process
SHARP KK6 citations63
US4845531AJul 4, 1989
Image reading apparatus
SHARP KK4 citations63
US7042584B1May 9, 2006
Complex image processing apparatus
SHARP KK6 citations62
US4554563ANov 19, 1985
Drive system in a multi-pin-electrode electrostatic recording apparatus
SHARP KK2 citations61
US5426291AJun 20, 1995
Reader with A/D conversion and high precise and high speed modes
SHARP KK0 citations52
US5362161ANov 8, 1994
Power source compensation for printer
SHARP KK1 citations52