Inventor · disambiguated record
Chikara Imaizumi
Also filed as: IMAIZUMI CHIKARA
45 granted patents·2 pending applications·738 citations·filing 2002–2025
98Inventor score
Top patents by PatentIndex Score
47 records- 0199US7890012B2Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountableCANON KK·Filed 2007·Granted Feb 15, 2011·60 cites·15 claims
- 0299US7761024B2Electrophotographic color image forming apparatus carrying process cartridge on a movable memberCANON KK·Filed 2007·Granted Jul 20, 2010·41 cites·5 claims
- 0399US7715752B2Electrophotographic image forming apparatus with image bearing member contacting and being spaced from transfer member transferring a toner image from the member thereontoCANON KK·Filed 2007·Granted May 11, 2010·55 cites·26 claims
- 0499US7567769B2Electrophotographic color image forming apparatusCANON KK·Filed 2007·Granted Jul 28, 2009·87 cites·11 claims
- 0599US7486907B2Electrophotographic image forming apparatus including a tray for carrying a process cartridgeCANON KK·Filed 2007·Granted Feb 3, 2009·72 cites·6 claims
- 0698US8139979B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Mar 20, 2012·44 cites·10 claims
- 0798US7907866B2Color electrophotographic image forming carrying process cartridges on a movable member movable in a direction crossing a longitudinal direction of a photosensitive drum of the cartridgesCANON KK·Filed 2009·Granted Mar 15, 2011·29 cites·4 claims
- 0898US7856192B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Dec 21, 2010·44 cites·12 claims
- 0998US7660549B2Electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Feb 9, 2010·41 cites·6 claims
- 1097US8862015B2Image forming apparatus with urging member that establishes electrical connection with a cartridgeCANON KK·Filed 2013·Granted Oct 14, 2014·18 cites·13 claims
- 1197US8526841B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Sep 3, 2013·32 cites·13 claims
- 1297US8145095B2Electrophotographic image forming apparatus with movable tray for supporting a cartridgeSAKURAI HIROMI·Filed 2008·Granted Mar 27, 2012·45 cites·37 claims
- 1397US7937020B2Electrophotographic image forming apparatusCANON KK·Filed 2010·Granted May 3, 2011·26 cites·12 claims
- 1496US9354560B2Drive transmission device and image forming apparatusCANON KK·Filed 2015·Granted May 31, 2016·11 cites·17 claims
- 1596US9002230B2Electrophotographic color image forming apparatus with movable cartridge carrying member and associated electrical contactsCANON KK·Filed 2013·Granted Apr 7, 2015·17 cites·18 claims
- 1696US8862014B2Electrophotographic color image forming apparatus with movable member for supporting a cartridgeCANON KK·Filed 2013·Granted Oct 14, 2014·17 cites·23 claims
- 1796US8843023B2Electrophotographic image forming apparatus with cartridge mounting tray and member regulating movement of the trayCANON KK·Filed 2013·Granted Sep 23, 2014·16 cites·16 claims
- 1896US8442412B2Electrophotographic color image forming apparatus carrying process cartridges on a movable memberIMAIZUMI CHIKARA·Filed 2012·Granted May 14, 2013·20 cites·19 claims
- 1996US8175487B2Electrophotographic color image forming apparatus carrying process cartridges on a movable memberIMAIZUMI CHIKARA·Filed 2011·Granted May 8, 2012·18 cites·9 claims
- 2095US8463157B2Electrophotographic image forming apparatus with movable tray for mounting cartridgesSAKURAI HIROMI·Filed 2012·Granted Jun 11, 2013·16 cites·14 claims
- 2190US10042312B2Image forming apparatus having reduced component and assembling costCANON KK·Filed 2017·Granted Aug 7, 2018·3 cites·19 claims
- 2286US9857757B2Container and image forming apparatusCANON KK·Filed 2016·Granted Jan 2, 2018·2 cites·20 claims
- 2386US8145096B2Image forming apparatus having a process cartridge removable from a main body of the apparatus having improved usabilityKAWANAMI TAKEO·Filed 2008·Granted Mar 27, 2012·9 cites·8 claims
- 2485US2025321514A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2583US10409213B2Image forming apparatus having reduced component and assembling costCANON KK·Filed 2018·Granted Sep 10, 2019·1 cites·34 claims
- 2682US10162290B2Image forming apparatusCANON KK·Filed 2015·Granted Dec 25, 2018·2 cites·16 claims
- 2773US12399447B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 26, 2025·0 cites·17 claims
- 2873US2025291305A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2971US10698357B2Image forming apparatus in which cost of component and assembling caused by sorting work is reduced by providing electrically conductive wire formed of material having elastic coefficient lower than first and second urging membersCANON KK·Filed 2019·Granted Jun 30, 2020·0 cites·21 claims
- 3071US9298139B2Image forming apparatus for collecting toner from a rotatable transfer belt through use of a movable bladeCANON KK·Filed 2015·Granted Mar 29, 2016·1 cites·14 claims
- 3170US6834174B2Image forming apparatus and rotary body detection deviceCANON KK·Filed 2002·Granted Dec 21, 2004·11 cites·15 claims
- 3269US10539917B2Container and image forming apparatusCANON KK·Filed 2018·Granted Jan 21, 2020·0 cites·7 claims
- 3365US10175634B2Container and image forming apparatusCANON KK·Filed 2017·Granted Jan 8, 2019·0 cites·8 claims
- 3464US12072641B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 27, 2024·0 cites·13 claims
- 3561US12222672B2Image forming apparatus with a transfer deviceCANON KK·Filed 2023·Granted Feb 11, 2025·0 cites·12 claims
- 3656US12216428B2Image forming apparatusCANON KK·Filed 2023·Granted Feb 4, 2025·0 cites·19 claims
- 3754US12360478B2Image forming apparatusCANON KK·Filed 2023·Granted Jul 15, 2025·0 cites·17 claims
- 3852US9851683B2Storage container and image forming apparatusCANON KK·Filed 2016·Granted Dec 26, 2017·0 cites·20 claims
- 3950US9152092B2Image forming apparatusCANON KK·Filed 2012·Granted Oct 6, 2015·0 cites·23 claims
- 4049US12032316B2Sheet conveyance apparatus and image forming apparatusCANON KK·Filed 2022·Granted Jul 9, 2024·0 cites·21 claims
- 4148US11841648B2Image forming apparatusCANON KK·Filed 2022·Granted Dec 12, 2023·0 cites·10 claims
- 4245US11524854B2Belt conveyance device and image forming apparatusCANON KK·Filed 2020·Granted Dec 13, 2022·0 cites·10 claims
- 4344US11480894B2Image forming apparatusCANON KK·Filed 2021·Granted Oct 25, 2022·0 cites·9 claims
- 4444US9733591B2Image forming apparatusCANON KK·Filed 2016·Granted Aug 15, 2017·0 cites·11 claims
- 4544US9395654B2Image forming apparatus having simple and compact configuration to separate secondary transfer member from primary transfer beltCANON KK·Filed 2015·Granted Jul 19, 2016·0 cites·16 claims
- 4643US9623688B2Driving force transmission apparatus and image forming apparatus using the sameCANON KK·Filed 2012·Granted Apr 18, 2017·0 cites·15 claims
- 4738US9377748B2Image forming apparatusCANON KK·Filed 2015·Granted Jun 28, 2016·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →