Inventor
HAYASHIDA MAKOTO
JP57 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHIDA MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
48 patentsUS9213267B2Dec 15, 2015
Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit
CANON KK45 citations98
US7933534B2Apr 26, 2011
Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit
CANON KK88 citations98
US9684279B2Jun 20, 2017
Image forming apparatus with an insertion port configured for a process cartridge, usable with the image forming apparatus
CANON KK23 citations94
US11061366B2Jul 13, 2021
Drum unit, cartridge and coupling member
CANON KK8 citations93
US11061364B2Jul 13, 2021
Drum unit, cartridge and coupling member
CANON KK7 citations93
US10955796B2Mar 23, 2021
Drum unit, cartridge and coupling member
CANON KK6 citations93
US10948871B2Mar 16, 2021
Drum unit, cartridge and coupling member
CANON KK6 citations93
US9500995B2Nov 22, 2016
Developer accommodating container and process cartridge
CANON KK18 citations92
US9046823B2Jun 2, 2015
Developer accommodating container and process cartridge
CANON KK22 citations92
US8965243B2Feb 24, 2015
Developing apparatus, process cartridge and method for assembling developing apparatus
CANON KK25 citations92
US11762330B2Sep 19, 2023
Drum unit, cartridge and coupling member
CANON KK3 citations84
US11334023B2May 17, 2022
Drum unit, cartridge and coupling member
CANON KK3 citations84
US11073791B2Jul 27, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11073790B2Jul 27, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11067947B2Jul 20, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11067948B2Jul 20, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11061368B2Jul 13, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11061367B2Jul 13, 2021
Drum unit, cartridge and coupling member
CANON KK5 citations84
US11029640B1Jun 8, 2021
Process cartridge
CANON KK4 citations84
USD855105SJul 30, 2019
Flange coupling for process cartridge for image forming apparatus
CANON KK4 citations84
US12287603B2Apr 29, 2025
Drum unit, cartridge and coupling member
CANON KK0 citations73
US12124211B2Oct 22, 2024
Drum unit, cartridge and coupling member
CANON KK0 citations73
US11841668B2Dec 12, 2023
Foreign substance collection apparatus, process cartridge, and image forming apparatus
CANON KK2 citations73
US11442405B2Sep 13, 2022
Drum unit, cartridge and coupling member
CANON KK1 citations73
US11442404B2Sep 13, 2022
Drum unit, cartridge and coupling member
CANON KK1 citations73
US11435693B2Sep 6, 2022
Drum unit, cartridge and coupling member
CANON KK1 citations73
US11314193B2Apr 26, 2022
Foreign substance collection apparatus, process cartridge, and image forming apparatus
CANON KK1 citations73
USD876535SFeb 25, 2020
Flange coupling for process cartridge for image forming apparatus
CANON KK4 citations73
US10324413B2Jun 18, 2019
Image forming apparatus having a portion to prevent a process cartridge from being inserted when the process cartridge is in a particular state
CANON KK2 citations73
US12393153B2Aug 19, 2025
Toner container
CANON KK1 citations64
US12474670B2Nov 18, 2025
Cartridge unit
CANON KK0 citations63
US11927913B2Mar 12, 2024
Cartridge unit
CANON KK0 citations63
US11669038B2Jun 6, 2023
Image forming apparatus having detachable developer cartridge
CANON KK1 citations63
USD950642SMay 3, 2022
Photosensitive drum for process cartridge for image forming apparatus
CANON KK0 citations63
US11237519B2Feb 1, 2022
Cartridge unit
CANON KK0 citations63
USD910744SFeb 16, 2021
Photosensitive drum for process cartridge for image forming apparatus
CANON KK0 citations63
US8958727B2Feb 17, 2015
Cartridge having a replenishment opening, and image forming apparatus
CANON KK2 citations63
US12271146B2Apr 8, 2025
Process cartridge
CANON KK0 citations62
US12124205B2Oct 22, 2024
Foreign substance collection apparatus, process cartridge, and image forming apparatus
CANON KK0 citations62
US11740585B2Aug 29, 2023
Process cartridge
CANON KK0 citations62
US11500305B2Nov 15, 2022
Process cartridge having toner receiving portion
CANON KK0 citations62
US11454924B2Sep 27, 2022
Process cartridge
CANON KK0 citations62
US11209749B2Dec 28, 2021
Process cartridge having toner receiving portion
CANON KK0 citations62
US10175599B2Jan 8, 2019
Rotating member, process cartridge, and image forming apparatus
CANON KK1 citations62
US12411449B2Sep 9, 2025
Process unit including first, second and third conveyance members for conveying developer
CANON KK0 citations52
US12271147B2Apr 8, 2025
Cartridge including pressed portion to be pressed by a pressing portion of an image forming apparatus
CANON KK0 citations52
US10719030B2Jul 21, 2020
Manufacturing method of cartridge and cartridge
CANON KK0 citations52
US10691043B2Jun 23, 2020
Supporting unit, developer container, developing device, photosensitive member unit, process cartridge and manufacturing method of the supporting unit
CANON KK0 citations52
HOSHI NOBUHARU
2 patentsUS8682211B2Mar 25, 2014
Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit
HOSHI NOBUHARU75 citations96
US9104139B2Aug 11, 2015
Developing device, process cartridge, remanufacturing method for developing device and process cartridge
HOSHI NOBUHARU5 citations72
Showing the top 50 of 57 patents by PatentIndex Score.