Inventor
IKEGUCHI HIROSHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “IKEGUCHI HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
13 patentsUS9581937B2Feb 28, 2017
Powder container and image forming apparatus
RICOH CO LTD11 citations92
US11209748B2Dec 28, 2021
Powder container including a nozzle receiving opening and scoop
RICOH CO LTD2 citations84
US9348259B2May 24, 2016
Toner housing container and image forming apparatus
RICOH CO LTD3 citations73
US12313987B2May 27, 2025
Powder container with a nozzle receiver
RICOH CO LTD0 citations62
US11874613B2Jan 16, 2024
Powder container with a nozzle receiver
RICOH CO LTD0 citations62
US11662672B2May 30, 2023
Nozzle receiver for use with a toner container
RICOH CO LTD0 citations62
US11397391B2Jul 26, 2022
Powder container including a container body, nozzle receiver, and seal
RICOH CO LTD0 citations62
US11347163B2May 31, 2022
Powder container including a nozzle receiving opening and scoop
RICOH CO LTD0 citations62
US11231661B2Jan 25, 2022
Powder container including a container body, nozzle receiver, and seal
RICOH CO LTD0 citations62
US10915039B2Feb 9, 2021
Powder container and image forming apparatus
RICOH CO LTD0 citations62
US9261817B2Feb 16, 2016
Replenishing developer housing container and image forming apparatus
RICOH CO LTD2 citations62
US10564573B2Feb 18, 2020
Powder container and image forming apparatus
RICOH CO LTD0 citations52
US10156810B2Dec 18, 2018
Powder container and image forming apparatus
RICOH CO LTD0 citations52
RICOH KK
10 patentsUS7035575B2Apr 25, 2006
Developing device, image forming apparatus, and process cartridge
RICOH KK35 citations92
US6792234B2Sep 14, 2004
Developing device having a developer carrier including main and auxiliary magnetic poles and image forming apparatus using the same
RICOH KK35 citations92
US6701114B2Mar 2, 2004
Image forming apparatus and image forming process unit with developer carried on a developer carrier
RICOH KK43 citations92
US7751746B2Jul 6, 2010
Device for driving rotary body with mechanism for dampening fluctuation in rotation velocity
RICOH KK11 citations84
US7480475B2Jan 20, 2009
Developing device, and image forming apparatus and process cartridge using the developing device
RICOH KK13 citations84
US7209685B2Apr 24, 2007
Developing device, image forming apparatus and process cartridge including replenishment openings
RICOH KK19 citations84
US7099611B2Aug 29, 2006
Method and apparatus for image forming capable of reducing mechanical stresses to developers during transportation for development
RICOH KK13 citations84
US7181155B2Feb 20, 2007
Developer supplying device, developing roller, developing device, image forming apparatus and process cartridge
RICOH KK9 citations74
US6668147B2Dec 23, 2003
Developing device, image forming device and process unit
RICOH KK9 citations74
US7359661B2Apr 15, 2008
Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developer
RICOH KK2 citations63
YOSHIDA KEIICHI
3 patentsUS9057984B2Jun 16, 2015
Powder container, toner cartridge, drawer tray, and image forming apparatus
YOSHIDA KEIICHI5 citations72
US8781375B2Jul 15, 2014
Powder container, powder conveying apparatus, and image forming apparatus
YOSHIDA KEIICHI5 citations72
US8953986B2Feb 10, 2015
Powder container, powder conveying apparatus, and image forming apparatus
YOSHIDA KEIICHI0 citations40
IKEGUCHI HIROSHI
3 patentsUS8849163B2Sep 30, 2014
Powder conveying apparatus, image forming apparatus, and powder container
IKEGUCHI HIROSHI0 citations48
US8611794B2Dec 17, 2013
Developer replenishing device, image forming apparatus, and developer replenishing method
IKEGUCHI HIROSHI0 citations48
US8059996B2Nov 15, 2011
Developing apparatus and image forming apparatus
IKEGUCHI HIROSHI0 citations38