Inventor · disambiguated record
Hiromitsu Kumada
Also filed as: KUMADA HIROMITSU
24 granted patents·3 pending applications·152 citations·filing 2004–2025
94Inventor score
Top patents by PatentIndex Score
27 records- 0198US11514283B2Image forming systemCANON KK·Filed 2021·Granted Nov 29, 2022·5 cites·25 claims
- 0297US7630662B2Image forming apparatus for fixing an image on a recording material and a current detection circuit thereforCANON KK·Filed 2008·Granted Dec 8, 2009·41 cites·5 claims
- 0396US8744296B2Image forming apparatusCANON KK·Filed 2012·Granted Jun 3, 2014·26 cites·47 claims
- 0496US8331819B2Image forming apparatusFUKUZAWA DAIZO·Filed 2010·Granted Dec 11, 2012·44 cites·5 claims
- 0595US11360420B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2021·Granted Jun 14, 2022·3 cites·11 claims
- 0694US11994817B2Image forming apparatusCANON KK·Filed 2021·Granted May 28, 2024·2 cites·11 claims
- 0790US9507288B2Image forming apparatus that detects electrostatic latent image for correctionCANON KK·Filed 2012·Granted Nov 29, 2016·6 cites·16 claims
- 0890US8600274B2Color image forming apparatusUCHIYAMA TAKEHIRO·Filed 2011·Granted Dec 3, 2013·13 cites·24 claims
- 0988US11353815B2Recording material determination device that determines type of recording material, and image forming apparatusCANON KK·Filed 2021·Granted Jun 7, 2022·2 cites·15 claims
- 1084US8244150B2Fixing apparatusKUMADA HIROMITSU·Filed 2010·Granted Aug 14, 2012·6 cites·2 claims
- 1181US12339607B2Image forming apparatusCANON KK·Filed 2024·Granted Jun 24, 2025·0 cites·11 claims
- 1279US10915052B2Recording material determination apparatus and image forming apparatus that receive ultrasonic wavesCANON KK·Filed 2019·Granted Feb 9, 2021·1 cites·22 claims
- 1372US12124201B2Image forming apparatus, abnormality diagnosis method, and image forming systemCANON KK·Filed 2022·Granted Oct 22, 2024·0 cites·12 claims
- 1472US8891984B2Color image forming apparatusCANON KK·Filed 2013·Granted Nov 18, 2014·1 cites·26 claims
- 1571US2025198966A1Recording material detection device, image forming apparatus, and ultrasonic emission deviceCANON KK·Filed 2025·Application pending·0 cites
- 1670US12265061B2Recording material detection device, image forming apparatus, and ultrasonic emission deviceCANON KK·Filed 2021·Granted Apr 1, 2025·0 cites·13 claims
- 1768US8649698B2Image forming apparatus controlling power to a heating unit forming a fixing nip portion with a pressure roller through which a recording sheet is conveyed to fix a toner image thereonNAMIKI TERUHIKO·Filed 2010·Granted Feb 11, 2014·2 cites·10 claims
- 1864US11256205B2Recording material determination apparatus and image forming apparatus that receive ultrasonic wavesCANON KK·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 1962US9091989B2Color image forming apparatusCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·31 claims
- 2060US9354540B2Image forming apparatus which uses electrostatic latent image for color misregistration correctionCANON KK·Filed 2014·Granted May 31, 2016·0 cites·15 claims
- 2157US8879970B2Image forming apparatus which uses electrostatic latent image for color misregistration correctionCANON KK·Filed 2012·Granted Nov 4, 2014·0 cites·17 claims
- 2255US9110422B2Color image forming apparatusCANON KK·Filed 2015·Granted Aug 18, 2015·0 cites·19 claims
- 2354US9075370B2Color image forming apparatusHAGIWARA HIROSHI·Filed 2012·Granted Jul 7, 2015·0 cites·8 claims
- 2452US11709457B2Apparatus that uses ultrasonic sensor for plurality of purposesCANON KK·Filed 2021·Granted Jul 25, 2023·0 cites·15 claims
- 2548US2005106561A1Method for predicting the severity of viral hepatitis type B in patients treated with an anti-viral agent, and a kit for diagnosing viral hepatitis type BFiled 2004·Application pending·0 cites
- 2644US10082749B2Image forming apparatus for forming and transferring a toner imageCANON KK·Filed 2017·Granted Sep 25, 2018·0 cites·13 claims
- 2742US2007197647A1Inhibitor for the onset and progress of liver cancer to be used in hepatitis c virus-positive human liver cirrhosis patientsAJINOMOTO KK·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →