Inventor · disambiguated record
Takeo Kawanami
Also filed as: KAWANAMI TAKEO
88 granted patents·14 pending applications·446 citations·filing 2007–2025
99Inventor score
Top patents by PatentIndex Score
102 records- 0199US7761024B2Electrophotographic color image forming apparatus carrying process cartridge on a movable memberCANON KK·Filed 2007·Granted Jul 20, 2010·41 cites·5 claims
- 0299US7567769B2Electrophotographic color image forming apparatusCANON KK·Filed 2007·Granted Jul 28, 2009·87 cites·11 claims
- 0398US7907866B2Color 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
- 0497US11906927B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Feb 20, 2024·3 cites·24 claims
- 0597US11829100B2Electrophotographic image forming apparatus and catridgeCANON KK·Filed 2021·Granted Nov 28, 2023·6 cites·74 claims
- 0697US8145095B2Electrophotographic image forming apparatus with movable tray for supporting a cartridgeSAKURAI HIROMI·Filed 2008·Granted Mar 27, 2012·45 cites·37 claims
- 0796US12066785B2Cartridge and image forming apparatusCANON KK·Filed 2023·Granted Aug 20, 2024·5 cites·41 claims
- 0896US9002230B2Electrophotographic color image forming apparatus with movable cartridge carrying member and associated electrical contactsCANON KK·Filed 2013·Granted Apr 7, 2015·17 cites·18 claims
- 0996US8862014B2Electrophotographic color image forming apparatus with movable member for supporting a cartridgeCANON KK·Filed 2013·Granted Oct 14, 2014·17 cites·23 claims
- 1096US8843023B2Electrophotographic 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
- 1196US8442412B2Electrophotographic color image forming apparatus carrying process cartridges on a movable memberIMAIZUMI CHIKARA·Filed 2012·Granted May 14, 2013·20 cites·19 claims
- 1296US8175487B2Electrophotographic color image forming apparatus carrying process cartridges on a movable memberIMAIZUMI CHIKARA·Filed 2011·Granted May 8, 2012·18 cites·9 claims
- 1395US11526099B2Image forming system having developer container, rotating member for rotating shutter, and restricting mechanism for rotating memberCANON KK·Filed 2021·Granted Dec 13, 2022·3 cites·7 claims
- 1495US9158238B2Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer beltCANON KK·Filed 2013·Granted Oct 13, 2015·10 cites·35 claims
- 1595US8463157B2Electrophotographic image forming apparatus with movable tray for mounting cartridgesSAKURAI HIROMI·Filed 2012·Granted Jun 11, 2013·16 cites·14 claims
- 1694US11392082B2Cartridge with a mechanism for transmitting a force to a developing roller of the cartridgeCANON KK·Filed 2019·Granted Jul 19, 2022·11 cites·29 claims
- 1794US10488810B2Image forming apparatus having detachable transfer unitCANON KK·Filed 2018·Granted Nov 26, 2019·5 cites·10 claims
- 1894US9417568B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer beltCANON KK·Filed 2015·Granted Aug 16, 2016·6 cites·32 claims
- 1993US12038716B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Jul 16, 2024·1 cites·27 claims
- 2093US12032330B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2022·Granted Jul 9, 2024·1 cites·18 claims
- 2192US10289066B2Image forming apparatusCANON KK·Filed 2017·Granted May 14, 2019·4 cites·10 claims
- 2292US9817342B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer beltCANON KK·Filed 2016·Granted Nov 14, 2017·4 cites·16 claims
- 2391US11048204B2Positioning apparatus and image forming apparatusCANON KK·Filed 2020·Granted Jun 29, 2021·3 cites·20 claims
- 2491US8355650B2Color electrophotographic image forming apparatusCANON KK·Filed 2011·Granted Jan 15, 2013·6 cites·6 claims
- 2591US2025341805A1Pull-in apparatus, image forming apparatus, sheet accommodating apparatus, and draw-out unitCANON KK·Filed 2025·Application pending·0 cites
- 2691US2025362628A1Image forming systemCANON KK·Filed 2025·Application pending·0 cites
- 2790US11841643B2Client device, control method, and storage medium for smoothly exchanging the display of images on a deviceCANON KK·Filed 2021·Granted Dec 12, 2023·2 cites·19 claims
- 2890US8112014B2Color electrophotographic image forming apparatusKAWANAMI TAKEO·Filed 2009·Granted Feb 7, 2012·13 cites·6 claims
- 2990US2025315006A1Cartridge, drum unit and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3089US9599956B2Image forming apparatus having a dual-position developing deviceCANON KK·Filed 2015·Granted Mar 21, 2017·3 cites·19 claims
- 3189US9335726B2Image forming apparatus having a transfer unit frameCANON KK·Filed 2015·Granted May 10, 2016·3 cites·14 claims
- 3288US11054758B2Transfer unit and image-forming apparatus to increase a ratio of filled toner volume to toner container volumeCANON KK·Filed 2020·Granted Jul 6, 2021·2 cites·20 claims
- 3388US10061263B2Image forming apparatus having a dual-position developing deviceCANON KK·Filed 2017·Granted Aug 28, 2018·2 cites·32 claims
- 3488US9703254B2Image forming apparatus having a dual-position developing deviceCANON KK·Filed 2017·Granted Jul 11, 2017·2 cites·18 claims
- 3588US9546693B2Drive apparatus and belt unit for image forming apparatusCANON KK·Filed 2015·Granted Jan 17, 2017·4 cites·14 claims
- 3688US9212004B2Belt transporting device and image forming apparatusCANON KK·Filed 2013·Granted Dec 15, 2015·4 cites·26 claims
- 3787US10739723B2Image forming apparatusCANON KK·Filed 2019·Granted Aug 11, 2020·2 cites·5 claims
- 3887US9771221B2Belt transporting device and image forming apparatusCANON KK·Filed 2015·Granted Sep 26, 2017·3 cites·14 claims
- 3987US9575437B2Image forming apparatus having widthwise adjustment of endless beltCANON KK·Filed 2015·Granted Feb 21, 2017·3 cites·11 claims
- 4087US8965256B2Image forming apparatusCANON KK·Filed 2012·Granted Feb 24, 2015·4 cites·10 claims
- 4186US8145096B2Image 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
- 4285US12449759B2Cartridge, drum unit and image forming apparatusCANON KK·Filed 2024·Granted Oct 21, 2025·0 cites·20 claims
- 4385US12072669B2Cartridge having a member for transmitting a driving force for rotating a developing rollerCANON KK·Filed 2021·Granted Aug 27, 2024·1 cites·35 claims
- 4485US9141038B2Image forming apparatusCANON KK·Filed 2013·Granted Sep 22, 2015·3 cites·25 claims
- 4584US12487559B2Image forming apparatus having improved mountability of a cartridge while conserving spaceCANON KK·Filed 2024·Granted Dec 2, 2025·0 cites·14 claims
- 4684US10289025B2Image forming apparatus for electrophotographic processing utilizing varying surface speedsCANON KK·Filed 2018·Granted May 14, 2019·2 cites·16 claims
- 4784US10180643B2Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are groundedCANON KK·Filed 2017·Granted Jan 15, 2019·1 cites·14 claims
- 4883US2025224694A1Electrophotographic image forming apparatus and cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 4983US2024411265A1Electrophotographic image forming apparatus and cartridgeCANON KK·Filed 2024·Application pending·0 cites
- 5082US12405553B2Image forming system having developer container, rotating member for rotating shutter, and restriction mechanism for rotating memberCANON KK·Filed 2024·Granted Sep 2, 2025·0 cites·9 claims
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →