Inventor
KAWANAMI TAKEO
JP91 patents
⚠️ This page may combine multiple inventors who share the name “KAWANAMI TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
44 patentsUS7567769B2Jul 28, 2009
Electrophotographic color image forming apparatus
CANON KK87 citations98
US7761024B2Jul 20, 2010
Electrophotographic color image forming apparatus carrying process cartridge on a movable member
CANON KK41 citations96
US9002230B2Apr 7, 2015
Electrophotographic color image forming apparatus with movable cartridge carrying member and associated electrical contacts
CANON KK17 citations92
US8862014B2Oct 14, 2014
Electrophotographic color image forming apparatus with movable member for supporting a cartridge
CANON KK17 citations92
US8843023B2Sep 23, 2014
Electrophotographic image forming apparatus with cartridge mounting tray and member regulating movement of the tray
CANON KK16 citations92
US7907866B2Mar 15, 2011
Color electrophotographic image forming carrying process cartridges on a movable member movable in a direction crossing a longitudinal direction of a photosensitive drum of the cartridges
CANON KK29 citations92
US11829100B2Nov 28, 2023
Electrophotographic image forming apparatus and catridge
CANON KK6 citations85
US11392082B2Jul 19, 2022
Cartridge with a mechanism for transmitting a force to a developing roller of the cartridge
CANON KK11 citations84
US10488810B2Nov 26, 2019
Image forming apparatus having detachable transfer unit
CANON KK5 citations84
US9817342B2Nov 14, 2017
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer belt
CANON KK4 citations84
US9417568B2Aug 16, 2016
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt
CANON KK6 citations84
US9158238B2Oct 13, 2015
Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer belt
CANON KK10 citations84
US8355650B2Jan 15, 2013
Color electrophotographic image forming apparatus
CANON KK6 citations84
US11906927B2Feb 20, 2024
Cartridge, drum unit and image forming apparatus
CANON KK3 citations75
US12066785B2Aug 20, 2024
Cartridge and image forming apparatus
CANON KK5 citations74
US12038716B2Jul 16, 2024
Cartridge, drum unit and image forming apparatus
CANON KK1 citations73
US12032330B2Jul 9, 2024
Cartridge, drum unit and image forming apparatus
CANON KK1 citations73
US11526099B2Dec 13, 2022
Image forming system having developer container, rotating member for rotating shutter, and restricting mechanism for rotating member
CANON KK3 citations73
US10739723B2Aug 11, 2020
Image forming apparatus
CANON KK2 citations73
US10289025B2May 14, 2019
Image forming apparatus for electrophotographic processing utilizing varying surface speeds
CANON KK2 citations73
US10289066B2May 14, 2019
Image forming apparatus
CANON KK4 citations73
US10180643B2Jan 15, 2019
Image 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 grounded
CANON KK1 citations73
US10061263B2Aug 28, 2018
Image forming apparatus having a dual-position developing device
CANON KK2 citations73
US9703254B2Jul 11, 2017
Image forming apparatus having a dual-position developing device
CANON KK2 citations73
US9599956B2Mar 21, 2017
Image forming apparatus having a dual-position developing device
CANON KK3 citations73
US9575437B2Feb 21, 2017
Image forming apparatus having widthwise adjustment of endless belt
CANON KK3 citations73
US9335726B2May 10, 2016
Image forming apparatus having a transfer unit frame
CANON KK3 citations73
US8965256B2Feb 24, 2015
Image forming apparatus
CANON KK4 citations73
US11054758B2Jul 6, 2021
Transfer unit and image-forming apparatus to increase a ratio of filled toner volume to toner container volume
CANON KK2 citations72
US11048204B2Jun 29, 2021
Positioning apparatus and image forming apparatus
CANON KK3 citations72
US9822822B2Nov 21, 2017
Drive apparatus and belt unit for image forming apparatus
CANON KK2 citations72
US9546693B2Jan 17, 2017
Drive apparatus and belt unit for image forming apparatus
CANON KK4 citations72
US11841643B2Dec 12, 2023
Client device, control method, and storage medium for smoothly exchanging the display of images on a device
CANON KK2 citations71
US9771221B2Sep 26, 2017
Belt transporting device and image forming apparatus
CANON KK3 citations71
US9212004B2Dec 15, 2015
Belt transporting device and image forming apparatus
CANON KK4 citations71
US12449759B2Oct 21, 2025
Cartridge, drum unit and image forming apparatus
CANON KK0 citations63
US12405566B2Sep 2, 2025
Electrophotographic image forming apparatus, cartridge and drum unit
CANON KK0 citations63
US12242222B2Mar 4, 2025
Electrophotographic image forming apparatus, cartridge and drum unit
CANON KK0 citations63
US9223242B2Dec 29, 2015
Image forming apparatus
CANON KK2 citations63
US9141038B2Sep 22, 2015
Image forming apparatus
CANON KK3 citations63
US12560887B2Feb 24, 2026
Image forming apparatus provided with detachable processing unit
CANON KK0 citations62
US12547116B2Feb 10, 2026
Cartridge and image forming apparatus
CANON KK0 citations62
US12487559B2Dec 2, 2025
Image forming apparatus having improved mountability of a cartridge while conserving space
CANON KK0 citations62
US12405553B2Sep 2, 2025
Image forming system having developer container, rotating member for rotating shutter, and restriction mechanism for rotating member
CANON KK0 citations62
SAKURAI HIROMI
2 patentsIMAIZUMI CHIKARA
2 patentsKAWANAMI TAKEO
2 patentsShowing the top 50 of 91 patents by PatentIndex Score.