Inventor · disambiguated record
Hiroyuki Sakuyama
Also filed as: SAKUYAMA HIROYUKI · SUINO TOORU
54 granted patents·17 pending applications·691 citations·filing 1998–2023
98Inventor score
Top patents by PatentIndex Score
71 records- 0192US7158679B2Image compression with tile alignmentRICOH KK·Filed 2002·Granted Jan 2, 2007·69 cites·20 claims
- 0289US7315651B2Image recording apparatus and image data selection methodRICOH KK·Filed 2003·Granted Jan 1, 2008·38 cites·48 claims
- 0387US7522778B2Image decoding technique for suppressing tile boundary distortionRICOH KK·Filed 2007·Granted Apr 21, 2009·9 cites·18 claims
- 0486US7330596B2Image decoding technique for suppressing tile boundary distortionRICOH KK·Filed 2003·Granted Feb 12, 2008·25 cites·141 claims
- 0586US7031541B2System, method and program for improved color image signal quantizationRICOH KK·Filed 2001·Granted Apr 18, 2006·29 cites·38 claims
- 0685US6226011B1Color conversion method for a color matching, a method for expanding a function of a program module and a color conversion method using the method for expanding a function of a program moduleRICOH KK·Filed 1998·Granted May 1, 2001·91 cites·10 claims
- 0783US7336852B2Image processing apparatus, image reading apparatus, image forming apparatus and recording medium for image processing programRICOH KK·Filed 2003·Granted Feb 26, 2008·22 cites·17 claims
- 0882US8122379B2Zooming operations and magnification for groups of imagesSAKUYAMA HIROYUKI·Filed 2008·Granted Feb 21, 2012·10 cites·6 claims
- 0982US7912324B2Orderly structured document code transferring method using character and non-character mask blocksRICOH CO LTD·Filed 2006·Granted Mar 22, 2011·7 cites·6 claims
- 1082US7394470B2Method for reversibly transforming data format, image processing apparatus, program for reversibly transforming data format, and computer-readable recording medium thereofRICOH KK·Filed 2004·Granted Jul 1, 2008·22 cites·19 claims
- 1181US9985948B2Image forming apparatus, information processing system, and non-transitory computer-readable mediumKUROYANAGI TOMOHIRO·Filed 2016·Granted May 29, 2018·4 cites·18 claims
- 1281US7626733B2Image-processing apparatus, an image-processing method, a program, and a memory mediumRICOH KK·Filed 2003·Granted Dec 1, 2009·19 cites·27 claims
- 1381US7310447B2Image processing apparatus, image processing method, and storage mediumRICOH KK·Filed 2003·Granted Dec 18, 2007·20 cites·41 claims
- 1479US6137595AColor conversion processing method for color matching and a processor readable medium storing a program for implementing the color conversion processing methodRICOH KK·Filed 1998·Granted Oct 24, 2000·59 cites·38 claims
- 1578US8559735B2Information processing apparatus for extracting codes corresponding to an image areaSAKUYAMA HIROYUKI·Filed 2009·Granted Oct 15, 2013·5 cites·8 claims
- 1678US7454069B2Image processing apparatus, image compressing apparatus, image decompressing apparatus, image processing method, image compressing method, image decompressing method, information processing apparatus, information processing method, program and recording mediumRICOH KK·Filed 2003·Granted Nov 18, 2008·16 cites·29 claims
- 1778US7352907B2Code conversion apparatus, code conversion method and storage mediumRICOH KK·Filed 2003·Granted Apr 1, 2008·16 cites·41 claims
- 1878US7333664B2Image compression method capable of reducing tile boundary distortionRICOH KK·Filed 2004·Granted Feb 19, 2008·15 cites·23 claims
- 1977US8115821B2Method and apparatus for setting a region of interest in image dataMAKI TAKASHI·Filed 2009·Granted Feb 14, 2012·11 cites·6 claims
- 2077US7293172B2Scrambling of image by randomizing pixel valuesRICOH COPMANY LTD·Filed 2004·Granted Nov 6, 2007·16 cites·32 claims
- 2176US10142498B2Image forming system, information processing apparatus, and information processing methodMAEMURA KOICHIRO·Filed 2016·Granted Nov 27, 2018·3 cites·20 claims
- 2275US7409060B2Durable and undecipherable digital watermarking technique and detection of unauthorized useRICOH KK·Filed 2003·Granted Aug 5, 2008·21 cites·20 claims
- 2375US7127117B2Image compression method and apparatus for suppressing quantization rate in particular region, image expansion method and apparatus therefor, and computer-readable storage medium storing program for the compression or expansionRICOH KK·Filed 2002·Granted Oct 24, 2006·20 cites·45 claims
- 2473US7450773B2Image processing apparatus and image processing method, image processing system, image processing program and storage mediumRICOH KK·Filed 2004·Granted Nov 11, 2008·11 cites·49 claims
- 2572US8649616B2Image processing apparatus and image processing methodSADASUE TAMON·Filed 2010·Granted Feb 11, 2014·3 cites·18 claims
- 2672US7545938B2Digital watermarking which allows tampering to be detected on a block-specific basisRICOH KK·Filed 2003·Granted Jun 9, 2009·10 cites·47 claims
- 2772US7505630B2Image processing apparatus, image processing method, program, and recording medium that allow setting of most appropriate post-quantization conditionRICOH KK·Filed 2003·Granted Mar 17, 2009·10 cites·30 claims
- 2872US7359549B2Imaging device, image processing method, and recording mediumRICOH KK·Filed 2003·Granted Apr 15, 2008·10 cites·2 claims
- 2971US8000542B2Apparatus and method for processing image data based on object movement speed within a frameRICOH CO LTD·Filed 2008·Granted Aug 16, 2011·2 cites·8 claims
- 3071US7430327B2Image processing apparatus, image processing program, and storage mediumRICOH KK·Filed 2003·Granted Sep 30, 2008·9 cites·20 claims
- 3170US7245775B2Image processing apparatus for compositing imagesRICOH KK·Filed 2003·Granted Jul 17, 2007·9 cites·11 claims
- 3269US7013049B2Image processing schemeRICOH KK·Filed 2002·Granted Mar 14, 2006·14 cites·27 claims
- 3368US7450768B2Apparatus and method for processing image data based on object movement speed within a frameRICOH KK·Filed 2003·Granted Nov 11, 2008·7 cites·9 claims
- 3467US7386175B2Modifying wavelet division level before transmitting data streamRICOH KK·Filed 2003·Granted Jun 10, 2008·7 cites·10 claims
- 3565US7627185B2Hierarchically compressing and coding and storing image dataRICOH KK·Filed 2004·Granted Dec 1, 2009·6 cites·9 claims
- 3665US7228000B2Image data generation with reduced amount of processingRICOH KK·Filed 2003·Granted Jun 5, 2007·9 cites·14 claims
- 3764US7865028B2Code processing apparatus and code processing methodRICOH CO LTD·Filed 2007·Granted Jan 4, 2011·1 cites·8 claims
- 3864US7697767B2Code processing device, code processing method, program, and recording mediumRICOH KK·Filed 2006·Granted Apr 13, 2010·1 cites·6 claims
- 3963US7409095B2Image processing apparatus and method for scalable encoded image dataRICOH KK·Filed 2004·Granted Aug 5, 2008·5 cites·6 claims
- 4062US7577308B2Image data generation with reduced amount of processingRICOH KK·Filed 2007·Granted Aug 18, 2009·2 cites·8 claims
- 4161US8295618B2Image processing apparatus, image processing method, and computer program productSADASUE TAMON·Filed 2009·Granted Oct 23, 2012·1 cites·6 claims
- 4260US7526133B2Image processing apparatus, image processing program, and storage mediumRICOH KK·Filed 2004·Granted Apr 28, 2009·8 cites·13 claims
- 4359US7609764B2Coding apparatus, coding method, program and information recording medium that can suppress unnatural degradation of image qualityRICOH KK·Filed 2004·Granted Oct 27, 2009·3 cites·2 claims
- 4459US7373007B2Encoded data generation apparatus and a method, a program, and an information recording mediumRICOH KK·Filed 2004·Granted May 13, 2008·7 cites·24 claims
- 4558US7593578B2Coding and decoding of image data with additional informationRICOH KK·Filed 2003·Granted Sep 22, 2009·3 cites·12 claims
- 4657US7433523B2Image browsing device acquiring coded data for saving a displayed image from image data sourceRICOH KK·Filed 2003·Granted Oct 7, 2008·5 cites·18 claims
- 4756US2005178821A1Manual providing apparatus, multi function printer, server, electronic manual presentation method, and computer programFiled 2005·Application pending·0 cites
- 4854US12288407B2Image processing apparatus, image processing method, and non-transitory recording mediumSAKUYAMA HIROYUKI·Filed 2022·Granted Apr 29, 2025·0 cites·10 claims
- 4954US12028499B2Image processing apparatus, image processing method, and non-transitory recording mediumITOH SHINYA·Filed 2023·Granted Jul 2, 2024·0 cites·10 claims
- 5054US7313284B2Image coding apparatus, program, storage medium and image coding methodRICOH KK·Filed 2004·Granted Dec 25, 2007·1 cites·29 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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