Inventor
HIRUKAWA KUNIAKI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HIRUKAWA KUNIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
29 patentsUS10691063B2Jun 23, 2020
Process cartridge and image forming apparatus
CANON KK9 citations92
US9696684B2Jul 4, 2017
Process cartridge and image forming apparatus
CANON KK7 citations84
US9688008B2Jun 27, 2017
Manufacturing method for cartridge having a molded electrode
CANON KK13 citations84
USD788213SMay 30, 2017
Process cartridge for image forming apparatus
CANON KK6 citations84
US9063501B2Jun 23, 2015
Developer accommodating unit with light guide member for detecting remaining toner amount
CANON KK19 citations84
USD790004SJun 20, 2017
Process cartridge for image forming apparatus
CANON KK3 citations73
USD790005SJun 20, 2017
Process cartridge for image forming apparatus
CANON KK3 citations73
USD789446SJun 13, 2017
Process cartridge for image forming apparatus
CANON KK4 citations73
US9519264B2Dec 13, 2016
Process cartridge and image forming apparatus
CANON KK2 citations63
US12585223B2Mar 24, 2026
Process cartridge and image forming apparatus
CANON KK0 citations62
US12292711B2May 6, 2025
Process cartridge and image forming apparatus
CANON KK0 citations62
US12174582B2Dec 24, 2024
Process cartridge and image forming apparatus
CANON KK0 citations62
US12130581B2Oct 29, 2024
Process cartridge and image forming apparatus
CANON KK0 citations62
US11687029B2Jun 27, 2023
Process cartridge and image forming apparatus
CANON KK0 citations62
US11320782B2May 3, 2022
Process cartridge and image forming apparatus
CANON KK0 citations62
US11314201B2Apr 26, 2022
Process cartridge and image forming apparatus
CANON KK0 citations62
US8355648B2Jan 15, 2013
Cartridge
CANON KK4 citations59
US9964921B2May 8, 2018
Process cartridge and image forming apparatus
CANON KK0 citations52
US9933725B2Apr 3, 2018
Developing device, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations52
US9618880B2Apr 11, 2017
Developing device, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations52
US9599955B2Mar 21, 2017
Developer storage unit, development device, process cartridge, and electrophotographic image forming apparatus
CANON KK1 citations52
US9535370B2Jan 3, 2017
Developing device, process cartridge, and electrophotographic image forming apparatus
CANON KK0 citations52
US9417605B2Aug 16, 2016
Image forming apparatus and process cartridge
CANON KK0 citations52
US9310713B2Apr 12, 2016
Developer container, developing device, process cartridge, and image forming apparatus
CANON KK1 citations52
US9239544B2Jan 19, 2016
Development apparatus, process cartridge, and image forming apparatus
CANON KK1 citations52
US9116503B2Aug 25, 2015
Developing unit, process cartridge and electrophotographic image forming apparatus
CANON KK1 citations52
US9081323B2Jul 14, 2015
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations52
US10838356B2Nov 17, 2020
Process cartridge and image forming apparatus
CANON KK0 citations48
US9046814B2Jun 2, 2015
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations42