Inventor
FUNADA MASAHIRO
JP75 patents
Patents
50 patentsUS5257119AOct 26, 1993
Image processing apparatus which adds apparatus identification data to images
CANON KK195 citations99
US5216724AJun 1, 1993
Apparatus for image reading or processing
CANON KK256 citations99
US5481377AJan 2, 1996
Image processing with anti-forgery function
CANON KK253 citations98
US5430525AJul 4, 1995
Image processing apparatus
CANON KK116 citations98
US6549657B2Apr 15, 2003
Image processing apparatus and method
CANON KK41 citations96
US6173088B1Jan 9, 2001
Image forming method and apparatus
CANON KK49 citations96
US6128401AOct 3, 2000
Image reading or processing with ability to prevent copying of certain originals
CANON KK36 citations96
US5633952AMay 27, 1997
Identification of a particular color image using color distribution, and circuitry for same
CANON KK73 citations96
US5621810AApr 15, 1997
Image reading or processing with ability to prevent copying of certain originals
CANON KK63 citations96
US5426710AJun 20, 1995
Image reading or processing with ability to prevent copying of certain originals
CANON KK43 citations96
US5363202ANov 8, 1994
Image processing apparatus with anti-forgery function
CANON KK66 citations96
US5227871AJul 13, 1993
Image processing apparatus capable of discriminating a predetermined image
CANON KK55 citations96
US5065446ANov 12, 1991
Image data coding apparatus
CANON KK46 citations96
US4903145AFeb 20, 1990
Image quality control apparatus capable of density-correcting plural areas of different types
CANON KK59 citations96
US4797945AJan 10, 1989
Image data coding apparatus
CANON KK78 citations96
US6624910B1Sep 23, 2003
Image forming method and apparatus
CANON KK20 citations93
US6411743B1Jun 25, 2002
Image forming method and apparatus
CANON KK28 citations93
US6381030B1Apr 30, 2002
Image processing, copying, and printing apparatus having a part of a processing unit and a part of another unit formed as one inseparable unit
CANON KK23 citations93
US6181819B1Jan 30, 2001
Image processing apparatus including means for judging a chromatic portion of an image
CANON KK20 citations93
US5847849ADec 8, 1998
Image processor apparatus capable of updating reference data for determining similarity between features
CANON KK19 citations93
US5724440AMar 3, 1998
Image processing apparatus
CANON KK27 citations93
US5721628AFeb 24, 1998
Color image processing apparatus
CANON KK48 citations93
US5650862AJul 22, 1997
Image signal processing apparatus with improved pixel parallel/line parallel conversion
CANON KK23 citations93
US5555107ASep 10, 1996
Image processing apparatus for judging a color using spatial frequency corrected color component signals
CANON KK23 citations93
US5420938AMay 30, 1995
Image processing apparatus
CANON KK40 citations93
US5363454ANov 8, 1994
Image processing apparatus
CANON KK47 citations93
US5251023AOct 5, 1993
Image processing method including means for judging a chromatic portion of an image
CANON KK46 citations93
US5165072ANov 17, 1992
Image processing apparatus which detects a line image
CANON KK39 citations93
US5089884AFeb 18, 1992
Method of expanding compressed color image data
CANON KK31 citations93
US5075788ADec 24, 1991
Image quality control apparatus capable of density-correcting plural areas of different types
CANON KK26 citations93
US7061652B2Jun 13, 2006
Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon
CANON KK28 citations92
US6473196B2Oct 29, 2002
Image forming apparatus and method
CANON KK51 citations92
US6421145B1Jul 16, 2002
Image processing apparatus and method using image information and additional information or an additional pattern added thereto or superposed thereon
CANON KK23 citations92
US6388767B1May 14, 2002
Image processing, copying, and printing apparatus having a part of a processing unit and a part of another unit formed as one inseparable unit
CANON KK26 citations92
US6192152B1Feb 20, 2001
Image processing apparatus
CANON KK47 citations92
US6041205AMar 21, 2000
Image processing apparatus for laying out plurality of images in conformity with image orientation
CANON KK38 citations92
US5960229ASep 28, 1999
Image processing method and apparatus
CANON KK20 citations92
US5949903ASep 7, 1999
Indentification of a particular color image using distribution, and circuitry for same
CANON KK30 citations92
US5933520AAug 3, 1999
Image processing apparatus
CANON KK30 citations92
US5742408AApr 21, 1998
Image processing apparatus and method which adds predetermined information to input image data
CANON KK20 citations92
US5737100AApr 7, 1998
Image processing apparatus which adds identification data to images
CANON KK21 citations92
US5465161ANov 7, 1995
Image processing apparatus and method for confirming the state of an addition device
CANON KK31 citations92
US4731672AMar 15, 1988
Image processing system
CANON KK26 citations92
US6346989B1Feb 12, 2002
Image processing apparatus and method
CANON KK18 citations84
US5832112ANov 3, 1998
Image processing apparatus capable of detecting specific originals
CANON KK17 citations84
US5463469AOct 31, 1995
Image processing apparatus capable of discriminating a predetermined image
CANON KK14 citations82
US7424152B2Sep 9, 2008
Image processing apparatus and method based on feature of a color image
CANON KK5 citations74
US7057775B2Jun 6, 2006
Image processing apparatus and method using image information and additional informational or an additional pattern added thereto or superposed thereon
CANON KK6 citations74
US6028968AFeb 22, 2000
Image processing apparatus
CANON KK6 citations74
US5917938AJun 29, 1999
Image processing apparatus which detects predetermined images
CANON KK12 citations74
Showing the top 50 of 75 patents by PatentIndex Score.