Inventor
OGINO HIROKI
JP35 patents
⚠️ This page may combine multiple inventors who share the name “OGINO HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
34 patentsUS7079787B2Jul 18, 2006
Parts, and part supplying methods
CANON KK162 citations99
US7127192B2Oct 24, 2006
Developing frame and process cartridge
CANON KK116 citations98
USD632731SFeb 15, 2011
Process cartridge
CANON KK31 citations92
USD614691SApr 27, 2010
Process cartridge
CANON KK29 citations92
US7418225B2Aug 26, 2008
Developing apparatus, process cartridge, electrophotographic image forming apparatus and end portion regulating member
CANON KK53 citations92
USD565094SMar 25, 2008
Image forming apparatus
CANON KK21 citations92
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
US10564594B2Feb 18, 2020
Image forming apparatus
CANON KK7 citations84
US10095178B2Oct 9, 2018
Image forming apparatus
CANON KK7 citations84
US9304484B2Apr 5, 2016
Image forming apparatus with moving light exposure units
CANON KK13 citations84
USD555717SNov 20, 2007
Image forming apparatus
CANON KK8 citations74
US10739702B2Aug 11, 2020
Developer accommodating unit, cartridge and image forming apparatus
CANON KK2 citations73
US9715191B2Jul 25, 2017
Powder feeding mechanism, powder feeding method, developer accommodating container, cartridge and image forming apparatus
CANON KK6 citations73
US9366994B2Jun 14, 2016
Developer container, cartridge, and image forming apparatus
CANON KK3 citations73
US11360416B2Jun 14, 2022
Image forming apparatus
CANON KK4 citations72
US6999706B2Feb 14, 2006
Developing device and process cartridge including the same for use in electro photographic image-forming apparatus
CANON KK2 citations63
US6915091B2Jul 5, 2005
Developing apparatus
CANON KK5 citations63
US12510845B2Dec 30, 2025
Image forming apparatus with pump portion for generating air to move toner to toner supplying device to developing device
CANON KK0 citations62
US11815830B2Nov 14, 2023
Toner cartridge having a variable volume pump and a feeding path from the pump portion to a discharge opening
CANON KK0 citations62
US11960225B2Apr 16, 2024
Image forming apparatus
CANON KK0 citations61
US12306575B2May 20, 2025
Developer replenishing device and image forming apparatus
CANON KK0 citations52
US12174558B2Dec 24, 2024
Developer replenishment device and image forming apparatus
CANON KK0 citations52
US11221584B2Jan 11, 2022
Image forming apparatus and cartridge with a coupling member that contacts another coupling member by an electrostatic adsorption force
CANON KK0 citations52
US9772581B2Sep 26, 2017
Developer container configured to reduce dead space in the path of the developer
CANON KK0 citations52
US9335719B2May 10, 2016
Interval securing member, developing apparatus, and process cartridge
CANON KK0 citations52
US9042775B2May 26, 2015
Interval securing member, developing apparatus, and process cartridge
CANON KK0 citations52
US11067938B2Jul 20, 2021
Cleaning unit, cartridge, image forming apparatus
CANON KK0 citations51
US10928768B2Feb 23, 2021
Cleaning unit, cartridge, image forming apparatus
CANON KK0 citations51
US10642189B2May 5, 2020
Developer container unit, developing apparatus, and process cartridge
CANON KK0 citations42
US9696658B2Jul 4, 2017
Developer container, developing apparatus, process cartridge, and image forming apparatus
CANON KK0 citations42
US9229358B2Jan 5, 2016
Developing apparatus, process cartridge, and interval guarantee member
CANON KK0 citations42
US9110401B2Aug 18, 2015
Interval guarantee member, developing apparatus, process cartridge
CANON KK0 citations42
US9042769B2May 26, 2015
Developing device, process cartridge, and image forming apparatus
CANON KK0 citations42