Inventor
HAMADA TAKATOSHI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA TAKATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
33 patentsUS9494890B2Nov 15, 2016
Developing cartridge, process cartridge and image forming apparatus
CANON KK56 citations98
USD863419SOct 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
US9164424B2Oct 20, 2015
Cartridge with flexible developer bag and elastic member for acting on the developer bag
CANON KK38 citations94
US11294299B2Apr 5, 2022
Cartridge used in image forming apparatus
CANON KK6 citations86
US10007225B2Jun 26, 2018
Feeding device, process cartridge and image forming apparatus
CANON KK8 citations83
US11709438B2Jul 25, 2023
Cartridge used in image forming apparatus
CANON KK4 citations75
US12153355B2Nov 26, 2024
Cartridge used in image forming apparatus
CANON KK1 citations73
USD889415SJul 7, 2020
Process cartridge for image forming apparatus
CANON KK2 citations73
US10466641B2Nov 5, 2019
Image forming unit to suppress uneven charging
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
US9904208B2Feb 27, 2018
Accommodating container, cleaning device, developing device, process cartridge, and image forming apparatus
CANON KK3 citations73
US9823603B2Nov 21, 2017
Feeding device, cleaning device, developing device, process cartridge, and image forming apparatus
CANON KK2 citations73
US9778616B2Oct 3, 2017
Process cartridge
CANON KK6 citations72
US11372348B2Jun 28, 2022
Developing device, cartridge, image forming apparatus
CANON KK4 citations71
US12038717B2Jul 16, 2024
Process unit including first and second resin materials and image forming apparatus
CANON KK0 citations62
USD993925SAug 1, 2023
Process cartridge for image forming apparatus
CANON KK0 citations62
US11520286B2Dec 6, 2022
Cartridge and image forming apparatus
CANON KK0 citations62
USD862584SOct 8, 2019
Side cover for process cartridge for image forming apparatus
CANON KK1 citations62
US12461468B2Nov 4, 2025
Toner cartridge having feeding member and pump for discharging toner
CANON KK0 citations61
US11982952B2May 14, 2024
Toner cartridge having feeding member and pump for discharging pump
CANON KK0 citations61
US11835888B2Dec 5, 2023
Developing device, cartridge, image forming apparatus
CANON KK0 citations61
US11016411B2May 25, 2021
Process cartridge, developing apparatus, and image forming apparatus
CANON KK0 citations52
US10895825B2Jan 19, 2021
Developer accommodating container, developing device and process cartridge
CANON KK0 citations52
US10845723B2Nov 24, 2020
Photosensitive drum unit to address vibration of a charge roller
CANON KK0 citations52
US10551767B2Feb 4, 2020
Manufacturing method for developer container, developer container, developing apparatus, and process cartridge
CANON KK0 citations52
USD862587SOct 8, 2019
Coupling for process cartridge for image forming apparatus
CANON KK0 citations52
US10073380B2Sep 11, 2018
Feeding device
CANON KK1 citations52
US11287763B2Mar 29, 2022
Toner transport apparatus
CANON KK0 citations50
US10678164B2Jun 9, 2020
Developer container, developing device and process cartridge
CANON KK0 citations41
MINOLTA CO LTD
5 patentsUS6246463B1Jun 12, 2001
Optical laser scanning device and image forming apparatus having the optical laser scanning device
MINOLTA CO LTD27 citations92
US5987193ANov 16, 1999
Image writing device and method
MINOLTA CO LTD10 citations74
US6980322B1Dec 27, 2005
Image forming apparatus in which light emitted by an exposing light source is conducted by an optical waveguide
MINOLTA CO LTD6 citations63
US6744459B2Jun 1, 2004
Image forming apparatus using a single optical fiber to transmit electrical signals
MINOLTA CO LTD5 citations63
US6340983B1Jan 22, 2002
Multi-beam image recording apparatus
MINOLTA CO LTD6 citations63