Inventor · disambiguated record
Akitoshi Yamada
Also filed as: YAMADA AKITOSHI
265 granted patents·60 pending applications·2,958 citations·filing 1976–2025
99Inventor score
Top patents by PatentIndex Score
325 records- 0197US10043118B2Image processing apparatus, image processing method, printing medium and storage mediumCANON KK·Filed 2015·Granted Aug 7, 2018·30 cites·35 claims
- 0296US11691434B2Apparatus and methodCANON KK·Filed 2021·Granted Jul 4, 2023·2 cites·18 claims
- 0396US10356282B2Image processing apparatus and color separation processing method by interpolation processing using a multi-dimensional lookup tableCANON KK·Filed 2017·Granted Jul 16, 2019·17 cites·14 claims
- 0496US9210292B2Image processing apparatus and method using different dither patterns for different inks and selecting a quantization process for each inkCANON KK·Filed 2014·Granted Dec 8, 2015·27 cites·24 claims
- 0596US8237991B2Image processing apparatus, image processing method, and programONO MITSUHIRO·Filed 2010·Granted Aug 7, 2012·27 cites·11 claims
- 0696US7965418B2Image processing apparatus and image processing methodCANON KK·Filed 2010·Granted Jun 21, 2011·24 cites·9 claims
- 0796US7924469B2Image processing apparatus, image processing method, and programCANON KK·Filed 2007·Granted Apr 12, 2011·28 cites·2 claims
- 0896US7859723B2Image processing to perform error diffusion with dots formed based color component values and their sum relative to a thresholdCANON KK·Filed 2009·Granted Dec 28, 2010·26 cites·7 claims
- 0996US7548346B2Image processing apparatus and method for performing error diffusion based on density values of different color componentsCANON KK·Filed 2006·Granted Jun 16, 2009·24 cites·23 claims
- 1095US10027848B2Image processing apparatus and control method for applying spatial filters to imagesCANON KK·Filed 2016·Granted Jul 17, 2018·21 cites·9 claims
- 1195US8430472B2Printing apparatus and printing methodNISHIKORI HITOSHI·Filed 2010·Granted Apr 30, 2013·14 cites·14 claims
- 1295US6128098AControl over print head driving parametersCANON KK·Filed 1997·Granted Oct 3, 2000·118 cites·71 claims
- 1394US11331910B2Fine bubble generating apparatus, fine bubble generating method, and fine bubble-containing liquidCANON KK·Filed 2020·Granted May 17, 2022·3 cites·18 claims
- 1494US9092720B2Generating and using blue noise dither patterns with high value thresholds positioned for a high dot concentration ratioCANON KK·Filed 2014·Granted Jul 28, 2015·27 cites·12 claims
- 1594US9087291B2Image processing apparatus and method setting thresholds of dither patterns based on density range and generating binary data depending on thresholds of target pixelsCANON KK·Filed 2014·Granted Jul 21, 2015·27 cites·20 claims
- 1694US8711453B2Data processing apparatus and data processing method for reducing an uneven color made up of two or more ink colorsYAMADA AKITOSHI·Filed 2011·Granted Apr 29, 2014·9 cites·20 claims
- 1794US8503031B2Image processing apparatus and image processing methodKAJIHARA RIE·Filed 2010·Granted Aug 6, 2013·23 cites·20 claims
- 1893US11369926B2Ultra fine bubble generation apparatusCANON KK·Filed 2021·Granted Jun 28, 2022·2 cites·19 claims
- 1993US10033906B2Image processing apparatus with improved quantization, image processing method and storage medium thereofCANON KK·Filed 2016·Granted Jul 24, 2018·10 cites·31 claims
- 2093US9111204B2Image processing apparatus and method setting color separation parameter based on image data change resulting from lossy compression and expansionCANON KK·Filed 2014·Granted Aug 18, 2015·19 cites·10 claims
- 2193US8619319B2Image processor and image processing methodTSUCHIYA OKINORI·Filed 2010·Granted Dec 31, 2013·21 cites·20 claims
- 2293US8295598B2Processing method and apparatusINOUE HIROWO·Filed 2008·Granted Oct 23, 2012·19 cites·16 claims
- 2393US8175155B2Image processing apparatus, image processing method, image processing program, and storage mediumSUWA TETSUYA·Filed 2007·Granted May 8, 2012·27 cites·15 claims
- 2493US7944588B2Image correction processing apparatus, image correction processing method, program, and storage mediumCANON KK·Filed 2007·Granted May 17, 2011·34 cites·7 claims
- 2593US7643178B2Image processing method and apparatusCANON KK·Filed 2007·Granted Jan 5, 2010·17 cites·5 claims
- 2692US9533492B2Image recording apparatus and control method thereforCANON KK·Filed 2016·Granted Jan 3, 2017·4 cites·17 claims
- 2792US8616668B2Image processing apparatus, printing apparatus, and image processing methodSAITO SENICHI·Filed 2010·Granted Dec 31, 2013·12 cites·13 claims
- 2892US4329544ASound reproduction system for motor vehicleMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted May 11, 1982·69 cites·4 claims
- 2991US11677894B2Information processing apparatus, image processing method, and mediumCANON KK·Filed 2022·Granted Jun 13, 2023·2 cites·21 claims
- 3091US11267240B2Inkjet printing apparatus, printing method, and storage mediumCANON KK·Filed 2020·Granted Mar 8, 2022·2 cites·22 claims
- 3191US10165153B2Image processing apparatus and image processing methodCANON KK·Filed 2017·Granted Dec 25, 2018·6 cites·29 claims
- 3291US9195917B2Dither pattern forming method and dither patternCANON KK·Filed 2013·Granted Nov 24, 2015·12 cites·19 claims
- 3391US8405876B2Image processing apparatus and image processing methodNAKATANI AKIHIKO·Filed 2010·Granted Mar 26, 2013·20 cites·8 claims
- 3491US7961345B2Print apparatus, control method thereof, and print systemCANON KK·Filed 2010·Granted Jun 14, 2011·10 cites·8 claims
- 3591US7274491B2Image processing method and apparatusCANON KK·Filed 2003·Granted Sep 25, 2007·40 cites·27 claims
- 3691US6172768B1Halftoning with changeable error diffusion weightsCANON KK·Filed 1998·Granted Jan 9, 2001·133 cites·38 claims
- 3790US9876940B2Image processing apparatus and image processing method generating quantized data based on a determined print operationCANON KK·Filed 2016·Granted Jan 23, 2018·6 cites·34 claims
- 3890US9815274B2Image recording apparatus and control method thereforCANON KK·Filed 2016·Granted Nov 14, 2017·3 cites·26 claims
- 3990US8830530B2Image processor and image processing method generating first and second multi-value density data or performing quantization based on an image characteristicSANO AYUMI·Filed 2010·Granted Sep 9, 2014·21 cites·12 claims
- 4090US7876358B2Print apparatus and printer control methodCANON KK·Filed 2006·Granted Jan 25, 2011·14 cites·14 claims
- 4190US7764393B2Print system, image supply device, print apparatus, and control method thereofCANON KK·Filed 2007·Granted Jul 27, 2010·14 cites·43 claims
- 4290US6863367B2Control of ink jet nozzle prefiringCANON KK·Filed 2003·Granted Mar 8, 2005·31 cites·33 claims
- 4389US11321596B2Image processing apparatus, image processing method, and storage medium for generating quantized data for forming an image on a print mediumCANON KK·Filed 2019·Granted May 3, 2022·5 cites·12 claims
- 4489US9807281B2Image processing apparatus and image processing methodCANON KK·Filed 2016·Granted Oct 31, 2017·5 cites·15 claims
- 4589US9350903B2Image processing apparatus and image processing method which adjusts image inspection to match variations in the ejection state of the printing elementCANON KK·Filed 2014·Granted May 24, 2016·5 cites·20 claims
- 4689US8287074B2Printing apparatus, printing method and image processorKANO YUTAKA·Filed 2010·Granted Oct 16, 2012·14 cites·18 claims
- 4789US6435658B1Ink jet recording methodCANON KK·Filed 2001·Granted Aug 20, 2002·30 cites·19 claims
- 4888US10462333B2Image processing apparatus and image processing method quantizing first, second and third color data using first and second threshold matricesCANON KK·Filed 2018·Granted Oct 29, 2019·4 cites·17 claims
- 4988US9694598B2Image processing apparatus, ink jet printing apparatus, and image processing methodISHIKAWA TOMOKAZU·Filed 2010·Granted Jul 4, 2017·9 cites·23 claims
- 5088US8395802B2Printing system, control method therefor, and photo-direct printing apparatusYANO KENTARO·Filed 2012·Granted Mar 12, 2013·6 cites·5 claims
Showing the top 50 of 325 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →