Inventor
HIRAYAMA AKINOBU
JP37 patents
⚠️ This page may combine multiple inventors who share the name “HIRAYAMA AKINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
35 patentsUS7720412B2May 18, 2010
Process cartridge
CANON KK37 citations92
US11822265B2Nov 21, 2023
Toner container and image forming system
CANON KK6 citations86
US11662673B2May 30, 2023
Toner container having nozzle and projection at bottom of container and image forming system using container
CANON KK7 citations86
US11592766B2Feb 28, 2023
Toner container and image forming system
CANON KK10 citations86
US10558165B2Feb 11, 2020
Cartridge and image forming apparatus
CANON KK12 citations86
US11353821B2Jun 7, 2022
Cartridge
CANON KK4 citations84
US11042117B2Jun 22, 2021
Cartridge
CANON KK4 citations84
US11036179B2Jun 15, 2021
Cartridge
CANON KK4 citations84
US10969733B2Apr 6, 2021
Cartridge
CANON KK4 citations84
US10969734B2Apr 6, 2021
Cartridge
CANON KK4 citations84
US10962926B2Mar 30, 2021
Cartridge
CANON KK4 citations84
US10955795B2Mar 23, 2021
Cartridge
CANON KK4 citations84
US10761479B2Sep 1, 2020
Cartridge
CANON KK4 citations84
US10474096B2Nov 12, 2019
Cartridge and image forming apparatus
CANON KK11 citations84
USD599847SSep 8, 2009
Toner cartridge
CANON KK10 citations84
USD599846SSep 8, 2009
Process cartridge
CANON KK15 citations84
US11378909B2Jul 5, 2022
Image forming apparatus and image forming unit
CANON KK5 citations83
US10983475B2Apr 20, 2021
Image forming apparatus and image forming unit
CANON KK5 citations83
US11906927B2Feb 20, 2024
Cartridge, drum unit and image forming apparatus
CANON KK3 citations75
US12140884B2Nov 12, 2024
Toner container and image forming system
CANON KK1 citations73
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
US11619908B2Apr 4, 2023
Cartridge
CANON KK1 citations73
US11204582B2Dec 21, 2021
Cartridge and image forming apparatus
CANON KK4 citations73
US10831150B2Nov 10, 2020
Cartridge and image forming apparatus
CANON KK4 citations73
US10739721B2Aug 11, 2020
Cartridge and image forming apparatus
CANON KK4 citations73
US11809123B2Nov 7, 2023
Image forming apparatus and image forming unit
CANON KK1 citations72
US9507288B2Nov 29, 2016
Image forming apparatus that detects electrostatic latent image for correction
CANON KK6 citations72
US12449759B2Oct 21, 2025
Cartridge, drum unit and image forming apparatus
CANON KK0 citations63
US12169376B2Dec 17, 2024
Toner cartridge and image forming apparatus
CANON KK1 citations63
US12429811B2Sep 30, 2025
Cartridge and image forming apparatus
CANON KK0 citations61
US9354540B2May 31, 2016
Image forming apparatus which uses electrostatic latent image for color misregistration correction
CANON KK0 citations51
US9110422B2Aug 18, 2015
Color image forming apparatus
CANON KK0 citations51
US8879970B2Nov 4, 2014
Image forming apparatus which uses electrostatic latent image for color misregistration correction
CANON KK0 citations51
US9891576B2Feb 13, 2018
Feeding device, cleaning device, process cartridge and image forming apparatus
CANON KK0 citations42