Inventor · disambiguated record
Toshiyuki Ogawa
Also filed as: OGAWA TOSHIYUKI
50 granted patents·17 pending applications·551 citations·filing 1977–2025
98Inventor score
Top patents by PatentIndex Score
67 records- 0195US11824075B2Photoelectric conversion device having isolation portions, and imaging system and moving body having photoelectric conversion deviceCANON KK·Filed 2021·Granted Nov 21, 2023·2 cites·28 claims
- 0294US11088191B2Photoelectric conversion device having isolation portions, and imaging system and moving body having photoelectric conversion deviceCANON KK·Filed 2019·Granted Aug 10, 2021·4 cites·19 claims
- 0392US4640608ACleaning method for use in electrophotographyRICOH KK·Filed 1981·Granted Feb 3, 1987·56 cites·2 claims
- 0491US12389703B2Photoelectric conversion device, method for producing the same, and applianceCANON KK·Filed 2022·Granted Aug 12, 2025·1 cites·27 claims
- 0591US4256401AImage density adjustment method and apparatusRICOH KK·Filed 1979·Granted Mar 17, 1981·32 cites·8 claims
- 0689US11244978B2Photoelectric conversion apparatus and equipment including the sameCANON KK·Filed 2019·Granted Feb 8, 2022·5 cites·25 claims
- 0787US5177375APower on reset circuit for semiconductor integrated circuit deviceMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jan 5, 1993·129 cites·14 claims
- 0886US8482539B2Electronic pen systemOGAWA TOSHIYUKI·Filed 2011·Granted Jul 9, 2013·18 cites·19 claims
- 0985US11990490B2Photoelectric conversion apparatus and equipmentCANON KK·Filed 2021·Granted May 21, 2024·1 cites·32 claims
- 1082US5379263ASemiconductor memory device which can provide required data flexibly under simplified control and operating method thereforMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jan 3, 1995·51 cites·13 claims
- 1181US11211416B2Photoelectric conversion apparatus having light shielding portions above semiconductor layer on back surface side and equipmentCANON KK·Filed 2019·Granted Dec 28, 2021·1 cites·23 claims
- 1281US10930689B2Photoelectric conversion apparatus and equipmentCANON KK·Filed 2018·Granted Feb 23, 2021·2 cites·19 claims
- 1380US5293347ASemiconductor memory device having read/write operation improved in pipe line processingMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Mar 8, 1994·47 cites·12 claims
- 1479US2024395844A1Photoelectric conversion device, method for producing the same, and applianceCANON KK·Filed 2024·Application pending·0 cites
- 1578US5321662ADynamic random access memory device having a self refresh modeMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jun 14, 1994·39 cites·17 claims
- 1677US10693023B2Imaging apparatus, method of manufacturing the same, and cameraCANON KK·Filed 2016·Granted Jun 23, 2020·2 cites·27 claims
- 1776US10965170B2Electronic apparatus and power feeding methodTOSHIBA KK·Filed 2018·Granted Mar 30, 2021·2 cites·15 claims
- 1876US10951073B2Electronic apparatus and wireless communication methodTOSHIBA KK·Filed 2018·Granted Mar 16, 2021·2 cites·16 claims
- 1975US4214832AElectrostatic copying machine comprising improved document scanning meansRICOH KK·Filed 1977·Granted Jul 29, 1980·16 cites·27 claims
- 2073US10461662B1AC/DC converterTOSHIBA KK·Filed 2019·Granted Oct 29, 2019·2 cites·20 claims
- 2173US5989664APlastic product and manufacturing method thereforEBARA CORP·Filed 1996·Granted Nov 23, 1999·27 cites·10 claims
- 2272US5566371ASemiconductor memory device capable of data transfer between memory arrays coupled to different data pins and operating method thereofMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Oct 15, 1996·32 cites·6 claims
- 2368US5307323ADual-port memoryMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Apr 26, 1994·27 cites·3 claims
- 2467US11682686B2Photoelectric conversion apparatus and equipment including the sameCANON KK·Filed 2021·Granted Jun 20, 2023·0 cites·26 claims
- 2567US8343368B2Method of fabricating a structure by anisotropic etching, and silicon substrate with an etching maskCANON KK·Filed 2009·Granted Jan 1, 2013·2 cites·6 claims
- 2667US4580121AMagnet roll and method for manufacturing the sameRICOH KK·Filed 1984·Granted Apr 1, 1986·13 cites·18 claims
- 2763US8524047B2Method of dehydrating tolylenediamine and dehydratorOGAWA TOSHIYUKI·Filed 2008·Granted Sep 3, 2013·1 cites·4 claims
- 2863US7990159B2Potential measurement apparatus and image forming apparatusCANON KK·Filed 2008·Granted Aug 2, 2011·2 cites·3 claims
- 2963US2025265995A1Light-emitting device, image forming device, image capturing device, display device, electronic apparatus, illumination device, moving body, and wearable deviceCANON KK·Filed 2025·Application pending·0 cites
- 3063US2024215417A1Light-emitting elementCANON KK·Filed 2023·Application pending·0 cites
- 3162US9570504B2Method of manufacturing imaging apparatus having etched and planarized insulating layerCANON KK·Filed 2015·Granted Feb 14, 2017·1 cites·8 claims
- 3261US2025294971A1Light emitting apparatus, wearable device, display apparatus, photoelectric conversion apparatus, and electronic equipmentCANON KK·Filed 2025·Application pending·0 cites
- 3360US11355658B2Imaging apparatus, method of manufacturing the same, and cameraCANON KK·Filed 2020·Granted Jun 7, 2022·0 cites·11 claims
- 3458US11735613B2Photoelectric conversion apparatus and equipmentCANON KK·Filed 2021·Granted Aug 22, 2023·0 cites·22 claims
- 3557US2025267970A1Photoelectric conversion apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3653US8244146B2Image forming apparatus and image forming method with error corrected potential measurementsZAITSU YOSHITAKA·Filed 2011·Granted Aug 14, 2012·0 cites·13 claims
- 3753US2025204174A1Display apparatus and device using the sameCANON KK·Filed 2024·Application pending·0 cites
- 3851US10784299B2Photoelectric conversion apparatus and equipmentCANON KK·Filed 2018·Granted Sep 22, 2020·0 cites·23 claims
- 3950US11342293B2Semiconductor apparatus and equipmentCANON KK·Filed 2020·Granted May 24, 2022·0 cites·21 claims
- 4050US7919889B2Oscillator device, optical deflector and optical instrument using the sameCANON KK·Filed 2008·Granted Apr 5, 2011·0 cites·16 claims
- 4149US10340748B2Wireless power supply apparatus, wireless power receiving terminal, and wireless power supply methodTOSHIBA KK·Filed 2018·Granted Jul 2, 2019·0 cites·6 claims
- 4249US2009294405A1Methods of producing oscillator and apparatuses for producing oscillatorCANON KK·Filed 2009·Application pending·0 cites
- 4348US2008112717A1Image forming apparatus and image forming methodCANON KK·Filed 2007·Application pending·0 cites
- 4446US10340400B2Photoelectric conversion device, method of manufacturing the same, and cameraCANON KK·Filed 2017·Granted Jul 2, 2019·0 cites·30 claims
- 4546US9831285B2Photoelectric conversion apparatus and method of manufacturing the sameCANON KK·Filed 2016·Granted Nov 28, 2017·0 cites·20 claims
- 4646US2005246621A1Electronic paper display systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 4745US5544093ADual port multiple block memory capable of time divisional operationMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Aug 6, 1996·10 cites·19 claims
- 4844US2011279248A1Remote instruction transmission/reception systemOGAWA TOSHIYUKI·Filed 2011·Application pending·0 cites
- 4943US7639020B2Potential sensor and image forming apparatus having potential sensorCANON KK·Filed 2007·Granted Dec 29, 2009·0 cites·8 claims
- 5042US7710129B2Potential measurement apparatus and image forming apparatusCANON KK·Filed 2007·Granted May 4, 2010·0 cites·8 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →