Inventor
KOJIMA AKIO
JP89 patents
⚠️ This page may combine multiple inventors who share the name “KOJIMA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
18 patentsUS7386185B2Jun 10, 2008
Image processing device and image processing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations96
US6075902AJun 13, 2000
Area recognizing device for image signals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations96
US5949921ASep 7, 1999
Image processing apparatus for reading an image by hand scanning
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61 citations96
US5930411AJul 27, 1999
Image processing apparatus for adjusting scanning position
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations93
US5930007AJul 27, 1999
Area recognizing device for image signals
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations93
US5760922AJun 2, 1998
Area recognizing device and gradation level converting device employing area recognizing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations93
US5570432AOct 29, 1996
Image controller
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations93
US5454052ASep 26, 1995
Method and apparatus for converting halftone images
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations93
US5402252AMar 28, 1995
Image reader and image reproducing system both having a line sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations93
US5177603AJan 5, 1993
Image copying apparatus having means for deleting color portions of an original image
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations93
US7292733B2Nov 6, 2007
Image processing apparatus and image processing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations92
US6807388B1Oct 19, 2004
Data monitoring method, data monitoring device, copying device, and storage medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations92
US6583895B1Jun 24, 2003
Image processing method and image processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US5502575AMar 26, 1996
Imaging apparatus having a counterfeiting prevention function
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations91
US7023577B2Apr 4, 2006
Image processing apparatus, image processing method and recording medium with color image compacting
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US6961462B2Nov 1, 2005
Image processing method and image processor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US6873437B1Mar 29, 2005
Image processing method and image processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6345116B1Feb 5, 2002
Image processing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations81
RICOH KK
17 patentsUS6231652B1May 15, 2001
Aqueous ink compositions and ink-jet printing method using the same
RICOH KK89 citations97
US5993524ANov 30, 1999
Image recording method, image recording apparatus and image recording acceleration liquid
RICOH KK107 citations97
US5972082AOct 26, 1999
Aqueous ink composition and ink-jet printing method using the same
RICOH KK93 citations97
US5882390AMar 16, 1999
Recording ink composition and recording method using the same
RICOH KK108 citations97
US5879439AMar 9, 1999
Recording ink composition and recording method using the same
RICOH KK122 citations97
US5492784AFeb 20, 1996
Positively-chargeable single-layered type electrophotographic photoconductor
RICOH KK106 citations97
US6261349B1Jul 17, 2001
Image recording method image recording apparatus and image recording acceleration liquid
RICOH KK64 citations96
US6120589ASep 19, 2000
Set of color ink compositions for ink-jet printing and method of forming color images using the color ink set
RICOH KK74 citations96
US4672149AJun 9, 1987
Photoelectric transducer element
RICOH KK63 citations96
US7059512B2Jun 13, 2006
Solder alloy material layer composition, electroconductive and adhesive composition, flux material layer composition, solder ball transferring sheet, bump and bump forming process, and semiconductor device
RICOH KK31 citations93
US4992109AFeb 12, 1991
Photoelectric conversion element
RICOH KK28 citations93
US5700614ADec 23, 1997
cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound
RICOH KK21 citations92
US5486438AJan 23, 1996
Electrophotographic photoconductor
RICOH KK25 citations92
US5350653ASep 27, 1994
Electrophotographic photoconductor
RICOH KK28 citations92
US4874481AOct 17, 1989
N,N'-diphenylbenzidine polymer and method of producing the same
RICOH KK22 citations82
US4148637AApr 10, 1979
Silane coupling agent in protective layer of photoconductive element
RICOH KK30 citations81
US5387487AFeb 7, 1995
Electrophotographic photoconductor
RICOH KK19 citations80
PANASONIC CORP
6 patentsUS7860339B2Dec 28, 2010
Visual processing device, visual processing method, visual processing program, intergrated circuit, display device, image-capturing device, and portable information terminal
PANASONIC CORP24 citations93
US7783126B2Aug 24, 2010
Visual processing device, visual processing method, visual processing program, and semiconductor device
PANASONIC CORP18 citations93
US8000525B2Aug 16, 2011
Image processing device, image processing system, image processing method, image processing program, and integrated circuit device
PANASONIC CORP11 citations84
US7957590B2Jun 7, 2011
Image processing method, display image processing method, image processing device, image processing program, and integrated circuit device including that image processing device
PANASONIC CORP9 citations84
US7773826B2Aug 10, 2010
Image processing apparatus and image processing method
PANASONIC CORP11 citations84
US7561752B2Jul 14, 2009
Image processing apparatus
PANASONIC CORP12 citations84
HITACHI LTD
3 patentsADVANTEST CORP
1 patentYAMASHITA HARUO
1 patentDENSO CORP
1 patentTELETECH CO LTD
1 patentRICOH CO LTD
1 patentDAICEL CHEM
1 patentShowing the top 50 of 89 patents by PatentIndex Score.