Inventor
USAMI AKIHIRO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “USAMI AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
31 patentsUS7391917B2Jun 24, 2008
Image processing method
CANON KK57 citations97
US6975418B1Dec 13, 2005
Copying machine, image processing apparatus, image processing system and image processing method
CANON KK58 citations96
US5844699ADec 1, 1998
Color image processing apparatus
CANON KK91 citations96
US5748342AMay 5, 1998
Image processing apparatus and method
CANON KK67 citations96
US5608549AMar 4, 1997
Apparatus and method for processing a color image
CANON KK81 citations96
US6438271B1Aug 20, 2002
Image reading apparatus
CANON KK29 citations93
US5142356AAug 25, 1992
Color image reading apparatus or color image forming apparatus capable of performing color adjustment
CANON KK38 citations93
US7349577B2Mar 25, 2008
Image processing method and image processing system
CANON KK31 citations92
US6473196B2Oct 29, 2002
Image forming apparatus and method
CANON KK51 citations92
US5696840ADec 9, 1997
Image processing apparatus
CANON KK31 citations92
US5594558AJan 14, 1997
Color image processing apparatus
CANON KK42 citations92
US5485284AJan 16, 1996
Image processing system for performing color image data calibration
CANON KK39 citations92
US5459589AOct 17, 1995
Color image processing apparatus
CANON KK41 citations92
US5386305AJan 31, 1995
Color imaging processing method and apparatus for suppressing color blurs
CANON KK32 citations92
US5315415AMay 24, 1994
Color image processing apparatus
CANON KK27 citations92
US5126838AJun 30, 1992
Color image processing with undercolor removal suitable for use in digital processing
CANON KK45 citations92
US7664321B2Feb 16, 2010
Image processing method, system, program, program storage medium and information processing apparatus
CANON KK17 citations84
US5434645AJul 18, 1995
Color image processing apparatus
CANON KK19 citations82
US5422739AJun 6, 1995
Color expressing method, color image reading apparatus and color image processing apparatus
CANON KK17 citations82
US4627712ADec 9, 1986
Image density control apparatus
CANON KK21 citations82
US5815291ASep 29, 1998
Image reading apparatus
CANON KK16 citations81
US6677988B2Jan 13, 2004
Image conversion processing method and apparatus, and recording medium
CANON KK12 citations74
US5504592AApr 2, 1996
Color expressing method, color image reading apparatus and color image processing apparatus
CANON KK12 citations74
US5489997AFeb 6, 1996
Color image processing apparatus
CANON KK15 citations74
US4702590AOct 27, 1987
Image density control apparatus
CANON KK12 citations74
US4634233AJan 6, 1987
Method of forming a light source by the use of a refractive index distribution type lens and light source device
CANON KK7 citations74
US5748328AMay 5, 1998
Color image processing apparatus which forms dot images at varying positions on a scanning line
CANON KK15 citations73
US5469266ANov 21, 1995
Color image processing apparatus which uses different screen angles for different color components
CANON KK13 citations73
US6088477AJul 11, 2000
System for controlling an amount of undercolor removal based on a grayness signal, a darkness signal, and a black signal
CANON KK5 citations63
US5673335ASep 30, 1997
Color image processing method and apparatus therefor
CANON KK4 citations63
US5652644AJul 29, 1997
Color image processing apparatus which performs color correction in accordance with input color data
CANON KK0 citations52