Inventor · disambiguated record
Masahiro Itoh
Also filed as: ITOH MASAHIRO
97 granted patents·16 pending applications·1,269 citations·filing 1988–2025
99Inventor score
Top patents by PatentIndex Score
113 records- 0198US5220530ASemiconductor memory element and method of fabricating the sameOKI ELECTRIC IND CO LTD·Filed 1991·Granted Jun 15, 1993·176 cites·5 claims
- 0295US8767104B2Image sensor, electronic apparatus, and driving method of electronic apparatusMAKINO EIJI·Filed 2011·Granted Jul 1, 2014·29 cites·7 claims
- 0394US7920304B2Image reading device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Apr 5, 2011·24 cites·19 claims
- 0492US5797070AImage-forming apparatus featuring a plurality of image forming meansCANON KK·Filed 1997·Granted Aug 18, 1998·61 cites·88 claims
- 0592US5177536ADeveloping apparatus having a magnetic sealCANON KK·Filed 1990·Granted Jan 5, 1993·50 cites·42 claims
- 0691US5267007AMagnetic seal for preventing developer from leaking out of the longitudinal ends of a rotatable memberCANON KK·Filed 1990·Granted Nov 30, 1993·44 cites·19 claims
- 0791US5113232ALED array chips with thermal conductorEASTMAN KODAK CO·Filed 1991·Granted May 12, 1992·108 cites·10 claims
- 0890US5287148AMagnetic seal for a developing apparatusCANON KK·Filed 1991·Granted Feb 15, 1994·42 cites·8 claims
- 0987US6724414B2Imaging device array, optical writing unit and image forming apparatusRICOH KK·Filed 2002·Granted Apr 20, 2004·30 cites·28 claims
- 1086US9628729B2Image sensor, electronic apparatus, and driving method of electronic apparatusSONY CORP·Filed 2015·Granted Apr 18, 2017·4 cites·12 claims
- 1186US4920389AMemory call array structure and process for producing the sameOKI ELECTRIC IND CO LTD·Filed 1989·Granted Apr 24, 1990·45 cites·18 claims
- 1285US9001244B2Image sensor, electronic apparatus, and driving method of electronic apparatusSONY CORP·Filed 2014·Granted Apr 7, 2015·4 cites·15 claims
- 1385US4874227ALarge-sized liquid crystal displayMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Oct 17, 1989·58 cites·26 claims
- 1485US4860048AImage forming apparatusCANON KK·Filed 1988·Granted Aug 22, 1989·28 cites·31 claims
- 1584US5835821AImage forming apparatusCANON KK·Filed 1996·Granted Nov 10, 1998·35 cites·20 claims
- 1684US5034341AMethod of making a memory cell array structureOKI ELECTRIC IND CO LTD·Filed 1990·Granted Jul 23, 1991·44 cites·22 claims
- 1783US5903802AMethod for forming an image by absorbing a release agent using a release agent absorbing layer coated on feed passage memberCANON KK·Filed 1997·Granted May 11, 1999·37 cites·8 claims
- 1882US11936829B2Illuminating device, image reading device, and image forming apparatus with multiple light sourcesSUGAI ATSUSHI·Filed 2021·Granted Mar 19, 2024·2 cites·14 claims
- 1982US8253989B2Optical reader, image reader and image forming deviceNISHINA KIICHIRO·Filed 2009·Granted Aug 28, 2012·7 cites·14 claims
- 2082US7446953B2Imaging lens, image reading apparatus and image forming apparatusRICOH KK·Filed 2007·Granted Nov 4, 2008·10 cites·10 claims
- 2181US11115561B2Inclination detecting device, reading device, image processing apparatus, and method of detecting inclinationTSUKAHARA HAJIME·Filed 2020·Granted Sep 7, 2021·2 cites·15 claims
- 2281US8885232B2Scanner lens, image reader and image forming deviceNAKAYAMA HIROTOSHI·Filed 2013·Granted Nov 11, 2014·7 cites·9 claims
- 2380US10834272B2Reading device, image forming apparatus including same, and reading methodNAKAZAWA MASAMOTO·Filed 2019·Granted Nov 10, 2020·2 cites·30 claims
- 2479US11012585B2Image processing apparatus, image processing system, image processing method, and non-transitory computer-readable storage mediumHASHIMOTO AYUMU·Filed 2019·Granted May 18, 2021·2 cites·19 claims
- 2579US10696848B2Fluorinated ether compound, coating liquid, article and novel compoundsAGC INC·Filed 2018·Granted Jun 30, 2020·1 cites·13 claims
- 2679US5472579AHot-rolled steel strip manufacturing and descaling method and apparatusHITACHI LTD·Filed 1994·Granted Dec 5, 1995·19 cites·37 claims
- 2778US8355838B2Vehicular input device and method for controlling the sameDENSO CORP·Filed 2010·Granted Jan 15, 2013·6 cites·15 claims
- 2877US8081355B2Illumination unit, image read apparatus, image formation apparatusNISHINA KIICHIRO·Filed 2008·Granted Dec 20, 2011·5 cites·19 claims
- 2976US11672082B2Printed wiring board production method and printed wiring board production apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Jun 6, 2023·0 cites·13 claims
- 3076US10739446B2Range-finding deviceRICOH CO LTD·Filed 2017·Granted Aug 11, 2020·3 cites·10 claims
- 3176US8199371B2Image reader and image formation apparatusNISHINA KIICHIRO·Filed 2009·Granted Jun 12, 2012·4 cites·11 claims
- 3276US5240335ABraille printing apparatusEASTMAN KODAK CO·Filed 1992·Granted Aug 31, 1993·22 cites·7 claims
- 3375US8169671B2Lighting unit, image reading apparatus and image forming apparatus using the sameITOH MASAHIRO·Filed 2009·Granted May 1, 2012·4 cites·11 claims
- 3475US5518848ABinder resin for tonersMITSUBISHI RAYON CO·Filed 1992·Granted May 21, 1996·21 cites·26 claims
- 3574US8174738B2Image read-out device and image forming deviceONO NOBUAKI·Filed 2009·Granted May 8, 2012·5 cites·5 claims
- 3674US8159564B2Signal-processing method, signal-processing system, and semiconductor device configured to detect physical-quantity distributionMATSUMOTO KEN·Filed 2005·Granted Apr 17, 2012·6 cites·14 claims
- 3774US5294967AImage forming apparatus with a plurity of adjustable developing unitsCANON KK·Filed 1990·Granted Mar 15, 1994·21 cites·12 claims
- 3872US8416471B2Document illuminating system and image reader including the sameTAKAURA ATSUSHI·Filed 2010·Granted Apr 9, 2013·2 cites·8 claims
- 3972US8031246B2Image sensor, electronic apparatus, and driving method of electronic apparatusSONY CORP·Filed 2008·Granted Oct 4, 2011·2 cites·18 claims
- 4072US5136350ASemiconductor mosfet having a projecting T-shaped portionOKI ELECTRIC IND CO LTD·Filed 1990·Granted Aug 4, 1992·33 cites·7 claims
- 4171US8410087B2Indole compoundYASUMA TSUNEO·Filed 2007·Granted Apr 2, 2013·1 cites·15 claims
- 4271US7345849B2Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider materialTDK CORP·Filed 2005·Granted Mar 18, 2008·2 cites·14 claims
- 4370US10596964B2Distance measurement device, moveable device, and distance measuring methodRICOH CO LTD·Filed 2017·Granted Mar 24, 2020·2 cites·11 claims
- 4470US2025230572A1Repair instruction device and repair instruction methodHITACHI LTD·Filed 2024·Application pending·0 cites
- 4569US8284462B2Image reading device and image forming apparatusABE ISSEI·Filed 2009·Granted Oct 9, 2012·2 cites·12 claims
- 4668US8692770B2Operation apparatus having a unit movable on a two-dimensional operation surfaceITOH MASAHIRO·Filed 2010·Granted Apr 8, 2014·3 cites·16 claims
- 4768US5155054AMethod of manufacturing a semiconductor MOSFET having a projection T-shaped semiconductor portionOKI ELECTRIC IND CO LTD·Filed 1991·Granted Oct 13, 1992·28 cites·15 claims
- 4865US10775502B2Distance-measuring apparatus, mobile object, robot, three-dimensional measuring device, surveillance camera, and distance-measuring methodRICOH CO LTD·Filed 2017·Granted Sep 15, 2020·1 cites·18 claims
- 4965US5758038AImage forming apparatusCANON KK·Filed 1996·Granted May 26, 1998·17 cites·9 claims
- 5064US5115259AElectrophotographic image forming apparatusCANON KK·Filed 1991·Granted May 19, 1992·14 cites·14 claims
Showing the top 50 of 113 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →