Inventor
KAWAKAMI TAKUYA
JP45 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI TAKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
42 patentsUSD863419SOct 15, 2019
Flange coupling for process cartridge for image forming apparatus
CANON KK34 citations94
USD845384SApr 9, 2019
Process cartridge for image forming apparatus
CANON KK17 citations94
USD622309SAug 24, 2010
Process cartridge
CANON KK19 citations93
USD583860SDec 30, 2008
Toner cartridge
CANON KK19 citations93
US9823619B2Nov 21, 2017
Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus
CANON KK12 citations92
US9395679B2Jul 19, 2016
Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus
CANON KK16 citations92
US11163259B2Nov 2, 2021
Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus
CANON KK5 citations84
US11112753B2Sep 7, 2021
Cartridge with a sheet to remove matter from a surface of a photosensitive drum
CANON KK7 citations84
US11016438B2May 25, 2021
Cartridge, photosensitive member unit and electrophotographic image forming apparatus
CANON KK6 citations84
US10795311B2Oct 6, 2020
Cartridge, photosensitive member unit and electrophotographic image forming apparatus
CANON KK10 citations84
US10635045B2Apr 28, 2020
Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus
CANON KK5 citations84
US9836016B2Dec 5, 2017
Image forming apparatus and cartridge
CANON KK7 citations84
USD622308SAug 24, 2010
Process cartridge
CANON KK15 citations84
USD585482SJan 27, 2009
Toner cartridge
CANON KK10 citations84
US9651916B2May 16, 2017
Cartridge having storing medium and image forming apparatus using the cartridge
CANON KK18 citations83
US11619905B2Apr 4, 2023
Cartridge detachably mountable to main assembly of electrophotographic image forming apparatus, assembling method for drive transmitting device for photosensitive drum, and electrophotographic image forming apparatus
CANON KK2 citations73
US11480916B2Oct 25, 2022
Cartridge having toner removing sheet in contact with photosensitive drum
CANON KK3 citations73
US11435689B2Sep 6, 2022
Cartridge
CANON KK3 citations73
US11275326B2Mar 15, 2022
Developing device to reduce leakage of developer
CANON KK2 citations73
USD889415SJul 7, 2020
Process cartridge for image forming apparatus
CANON KK2 citations73
USD862585SOct 8, 2019
Side cover for process cartridge for image forming apparatus
CANON KK2 citations73
USD862586SOct 8, 2019
Photosensitive drum for process cartridge for image forming apparatus
CANON KK2 citations73
US10331077B2Jun 25, 2019
Cartridge where biasing member is reliably held on coupling member
CANON KK3 citations73
US10156811B2Dec 18, 2018
Conveying device having a first conveyance member that transmits driving force to a second conveyance member
CANON KK3 citations73
US11669038B2Jun 6, 2023
Image forming apparatus having detachable developer cartridge
CANON KK1 citations63
US12554214B2Feb 17, 2026
Developing cartridge having a sheet member provided at end portion of a developing roller
CANON KK0 citations62
US12405565B2Sep 2, 2025
Cartridge including a developer storage unit for storing developer
CANON KK0 citations62
US12174555B2Dec 24, 2024
Developing device
CANON KK0 citations62
US11841647B2Dec 12, 2023
Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame
CANON KK0 citations62
US11841636B2Dec 12, 2023
Developing device to reduce leakage of developer
CANON KK0 citations62
US11762326B2Sep 19, 2023
Cartridge
CANON KK1 citations62
USD993925SAug 1, 2023
Process cartridge for image forming apparatus
CANON KK0 citations62
US11561485B2Jan 24, 2023
Developing apparatus to increase adhesion between a seal member and a regulation portion in the developing apparatus
CANON KK0 citations62
US11204565B2Dec 21, 2021
Developing apparatus to increase adhesion between a seal member and a regulation portion in the developing apparatus
CANON KK1 citations62
USD862584SOct 8, 2019
Side cover for process cartridge for image forming apparatus
CANON KK1 citations62
US10248077B2Apr 2, 2019
Cartridge and cover member
CANON KK1 citations62
USD862587SOct 8, 2019
Coupling for process cartridge for image forming apparatus
CANON KK0 citations52
US10156828B2Dec 18, 2018
Cartridge and cover member
CANON KK0 citations52
US9939778B2Apr 10, 2018
Cartridge and cover member
CANON KK0 citations52
US9513578B2Dec 6, 2016
Developing device, process cartridge and image forming apparatus
CANON KK1 citations51
US10156827B2Dec 18, 2018
Cartridge and image forming apparatus
CANON KK0 citations42
US9921536B2Mar 20, 2018
Electrophotographic photosensitive drum unit, cartridge, and flange member
CANON KK0 citations41