Inventor · disambiguated record
Hiroshi Hagiwara
Also filed as: HAGIWARA HIROSHI
81 granted patents·11 pending applications·1,055 citations·filing 1977–2025
99Inventor score
Top patents by PatentIndex Score
92 records- 0198US11514283B2Image forming systemCANON KK·Filed 2021·Granted Nov 29, 2022·5 cites·25 claims
- 0296US5024650AStress dissolving refreshment systemMATSUSHITA ELECTRIC WORKS LTD·Filed 1990·Granted Jun 18, 1991·219 cites·24 claims
- 0395US11360420B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2021·Granted Jun 14, 2022·3 cites·11 claims
- 0495US11206334B2Image forming apparatus having plurality of conveyance modesCANON KK·Filed 2020·Granted Dec 21, 2021·3 cites·28 claims
- 0594US11994817B2Image forming apparatusCANON KK·Filed 2021·Granted May 28, 2024·2 cites·11 claims
- 0690US12454436B2Image forming apparatus that can form images on both sides of sheetCANON KK·Filed 2024·Granted Oct 28, 2025·1 cites·12 claims
- 0790US10913627B2Feeding apparatus and method for the sameCANON KK·Filed 2018·Granted Feb 9, 2021·4 cites·25 claims
- 0890US9507288B2Image forming apparatus that detects electrostatic latent image for correctionCANON KK·Filed 2012·Granted Nov 29, 2016·6 cites·16 claims
- 0990US8600274B2Color image forming apparatusUCHIYAMA TAKEHIRO·Filed 2011·Granted Dec 3, 2013·13 cites·24 claims
- 1088US6406565B1High toughness spring steelNIPPON STEEL CORP·Filed 2000·Granted Jun 18, 2002·33 cites·13 claims
- 1188US6338763B1Steel wire for high-strength springs and method of producing the sameNIPPON STEEL CORP·Filed 1999·Granted Jan 15, 2002·48 cites·6 claims
- 1288US6252176B1Printed wiring board, and manufacture thereofFUJI XEROX CO LTD·Filed 1997·Granted Jun 26, 2001·89 cites·12 claims
- 1386US11827486B2Image forming apparatus and image forming system configured to determine operationCANON KK·Filed 2020·Granted Nov 28, 2023·2 cites·8 claims
- 1484US11792342B2Image forming apparatus with a first double-side feeding and a second double-side feedingCANON KK·Filed 2022·Granted Oct 17, 2023·1 cites·7 claims
- 1584US10093071B2Recording-medium binding device and recording-medium post processing apparatusFUJI XEROX CO LTD·Filed 2017·Granted Oct 9, 2018·2 cites·12 claims
- 1684US7619785B2Image reading apparatus and reference member foreign matter detecting methodFUJI XEROX CO LTD·Filed 2004·Granted Nov 17, 2009·32 cites·11 claims
- 1782US10404889B2Printing system and method of controlling printing system that allow a user of a mobile terminal to print to an image forming apparatus using the mobile terminal, and a service provider to charge the user for printingCANON KK·Filed 2015·Granted Sep 3, 2019·5 cites·20 claims
- 1881US12339607B2Image forming apparatusCANON KK·Filed 2024·Granted Jun 24, 2025·0 cites·11 claims
- 1981US10579001B2Image forming apparatus able to form images on both sides of sheetCANON KK·Filed 2017·Granted Mar 3, 2020·2 cites·16 claims
- 2081US10357932B2Binding member, binding device, and image processing apparatusFUJI XEROX CO LTD·Filed 2017·Granted Jul 23, 2019·2 cites·5 claims
- 2181US10046535B2Binding processing deviceFUJI XEROX CO LTD·Filed 2016·Granted Aug 14, 2018·2 cites·5 claims
- 2279US10543655B2Binding member, binding device, and image processing apparatusFUJI XEROX CO LTD·Filed 2017·Granted Jan 28, 2020·2 cites·9 claims
- 2378US2025189921A1Image forming systemCANON KK·Filed 2025·Application pending·0 cites
- 2477US5101831ASystem for discriminating sleep stateMATSUSHITA ELECTRIC WORKS LTD·Filed 1991·Granted Apr 7, 1992·226 cites·7 claims
- 2576US8845825B2High strength spring-use heat treated steelHASHIMURA MASAYUKI·Filed 2007·Granted Sep 30, 2014·3 cites·7 claims
- 2675US12248268B2Detection unit for operation sounds of image forming systemCANON KK·Filed 2023·Granted Mar 11, 2025·0 cites·14 claims
- 2775US7789974B2High-strength spring steel wireNIPPON STEEL CORP·Filed 2001·Granted Sep 7, 2010·10 cites·1 claims
- 2873US10326792B2Virus intrusion route identification device, virus intrusion route identification method, and programCANON DENSHI KK·Filed 2015·Granted Jun 18, 2019·3 cites·27 claims
- 2972US12124201B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2022·Granted Oct 22, 2024·0 cites·12 claims
- 3072US10748507B2Image display device, image list display method, and image list display programHAGIWARA HIROSHI·Filed 2018·Granted Aug 18, 2020·1 cites·3 claims
- 3172US8891984B2Color image forming apparatusCANON KK·Filed 2013·Granted Nov 18, 2014·1 cites·26 claims
- 3271US8137484B2Method of production of steel superior in machinabilityHASHIMURA MASAYUKI·Filed 2008·Granted Mar 20, 2012·1 cites·4 claims
- 3366US6182350B1Electric motor for driving a piston pump and method of assemblyMITSUBA CORP·Filed 1998·Granted Feb 6, 2001·17 cites·8 claims
- 3466US5889345AWaterproof electric motor structureMITSUBA CORP·Filed 1997·Granted Mar 30, 1999·20 cites·7 claims
- 3564US10569492B2Binding processing deviceFUJI XEROX CO LTD·Filed 2018·Granted Feb 25, 2020·0 cites·5 claims
- 3664US5854522AElectric motor for driving a piston pump and method of assemblyMITSUBA CORP·Filed 1997·Granted Dec 29, 1998·21 cites·6 claims
- 3763US7575646B2Heat-treated steel wire for high strength springNIPPON STEEL CORP·Filed 2002·Granted Aug 18, 2009·5 cites·2 claims
- 3863US5266070ARelaxation refreshment apparatusMATSUSHITA ELECTRIC WORKS LTD·Filed 1992·Granted Nov 30, 1993·106 cites·12 claims
- 3962US10611557B2Structure of nozzle for fluid tank pipingYOKOHAMA RUBBER CO LTD·Filed 2015·Granted Apr 7, 2020·1 cites·10 claims
- 4062US9091989B2Color image forming apparatusCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·31 claims
- 4160US9354540B2Image forming apparatus which uses electrostatic latent image for color misregistration correctionCANON KK·Filed 2014·Granted May 31, 2016·0 cites·15 claims
- 4259US12244775B2Sound diagnosis system, information processing apparatus, and computer-readable storage mediumCANON KK·Filed 2023·Granted Mar 4, 2025·0 cites·21 claims
- 4359US7488396B2Superior in machinability and method of production of sameNIPPON STEEL CORP·Filed 2003·Granted Feb 10, 2009·2 cites·2 claims
- 4458US6150658APassive infrared detectorATSUMI ELECTRIC·Filed 1998·Granted Nov 21, 2000·23 cites·4 claims
- 4557US11131954B2Image forming apparatus for determining image defectCANON KK·Filed 2020·Granted Sep 28, 2021·0 cites·14 claims
- 4657US8879970B2Image forming apparatus which uses electrostatic latent image for color misregistration correctionCANON KK·Filed 2012·Granted Nov 4, 2014·0 cites·17 claims
- 4755US9465341B2Image forming apparatus that detects variation in rotation period of rotating member and performs misregistration correctionCANON KK·Filed 2014·Granted Oct 11, 2016·0 cites·12 claims
- 4855US9110422B2Color image forming apparatusCANON KK·Filed 2015·Granted Aug 18, 2015·0 cites·19 claims
- 4955US6143990APrinted wiring board with two ground planes connected by resistorFUJI XEROX CO LTD·Filed 1997·Granted Nov 7, 2000·19 cites·9 claims
- 5055US5283286AImpact-resistant thermoplastic resin composition containing a grafted butadiene rubberKUREHA CHEMICAL IND CO LTD·Filed 1992·Granted Feb 1, 1994·13 cites·14 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →