Inventor
ITABASHI NAO
JP278 patents
⚠️ This page may combine multiple inventors who share the name “ITABASHI NAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
39 patentsUS10025264B1Jul 17, 2018
Developing cartridge including storage medium having electric contact surface
BROTHER IND LTD25 citations94
US10310413B2Jun 4, 2019
Developing cartridge including developing roller having developing roller shaft
BROTHER IND LTD11 citations93
US9946190B2Apr 17, 2018
Developing cartridge
BROTHER IND LTD11 citations93
US9846387B2Dec 19, 2017
Developing cartridge having coupling and developing roller
BROTHER IND LTD8 citations93
US9785093B2Oct 10, 2017
Developing cartridge including developing roller having developing roller shaft
BROTHER IND LTD12 citations93
US9557684B2Jan 31, 2017
Developing cartridge including developing roller having developing roller shaft
BROTHER IND LTD10 citations93
US9494914B2Nov 15, 2016
Developing cartridge including developing roller having developing roller shaft
BROTHER IND LTD10 citations93
US9395684B2Jul 19, 2016
Developing cartridge having coupling and developing roller
BROTHER IND LTD10 citations93
US7853176B2Dec 14, 2010
Image forming apparatus
BROTHER IND LTD18 citations93
US7813677B2Oct 12, 2010
Process cartridge having charging device with conductive grid electrode
BROTHER IND LTD24 citations93
US7656421B2Feb 2, 2010
Image forming apparatus
BROTHER IND LTD25 citations93
US7463850B2Dec 9, 2008
Charging device for a process cartridge and an image forming apparatus
BROTHER IND LTD21 citations93
US6901228B2May 31, 2005
Developing agent container including a sealing element for preventing developing agent from leaking out
BROTHER IND LTD22 citations93
US7336913B2Feb 26, 2008
Developing apparatus, process cartridge and image forming apparatus for preventing leakage
BROTHER IND LTD20 citations92
US11687016B2Jun 27, 2023
Developing cartridge having coupling and developing roller
BROTHER IND LTD4 citations86
US11675289B2Jun 13, 2023
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD5 citations86
US10175637B2Jan 8, 2019
Developing cartridge having contact surface
BROTHER IND LTD15 citations86
US11067919B2Jul 20, 2021
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD6 citations84
US10935925B2Mar 2, 2021
Image forming apparatus with a memory positioned on a drum frame
BROTHER IND LTD5 citations84
US10845755B2Nov 24, 2020
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD4 citations84
US10401789B2Sep 3, 2019
Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same
BROTHER IND LTD8 citations84
US10254708B2Apr 9, 2019
Image forming apparatus having a developing cartridge with a storage medium and an electrical contact surface
BROTHER IND LTD8 citations84
US10101684B2Oct 16, 2018
Image forming apparatus and cartridge comprising detection gear
BROTHER IND LTD11 citations84
US10048645B2Aug 14, 2018
Developing cartridge provided with cover
BROTHER IND LTD7 citations84
US10042282B2Aug 7, 2018
Developing cartridge capable of releasing meshing between gear and rack gear
BROTHER IND LTD12 citations84
US10031472B2Jul 24, 2018
Developing cartridge
BROTHER IND LTD6 citations84
US10025225B2Jul 17, 2018
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD3 citations84
US10018960B2Jul 10, 2018
Developing cartridge including electric contact surface
BROTHER IND LTD13 citations84
US9891581B2Feb 13, 2018
Developing cartridge provided with cover
BROTHER IND LTD7 citations84
US9529302B2Dec 27, 2016
Developing cartridge provided with cover
BROTHER IND LTD7 citations84
US8358953B2Jan 22, 2013
Image-forming device having holder unit for toner box
BROTHER IND LTD7 citations84
USD638054SMay 17, 2011
Toner cartridge
BROTHER IND LTD16 citations84
USD638053SMay 17, 2011
Photosensitive drum unit
BROTHER IND LTD14 citations84
USD638055SMay 17, 2011
Toner cartridge
BROTHER IND LTD8 citations84
USD638052SMay 17, 2011
Toner cartridge
BROTHER IND LTD12 citations84
USD638051SMay 17, 2011
Toner cartridge
BROTHER IND LTD10 citations84
USD631094SJan 18, 2011
Toner cartridge
BROTHER IND LTD8 citations84
US7428386B2Sep 23, 2008
Image forming apparatus including a notifying unit
BROTHER IND LTD16 citations84
US7163032B2Jan 16, 2007
Developer filling method
BROTHER IND LTD17 citations84
ITABASHI NAO
10 patentsUS9323214B2Apr 26, 2016
Developing cartridge provided with cover, and process cartridge having the same
ITABASHI NAO12 citations93
US9195207B2Nov 24, 2015
Cartridge having detection body
ITABASHI NAO18 citations93
US9008522B2Apr 14, 2015
Developing cartridge having housing and developing roller
ITABASHI NAO10 citations93
US8995866B2Mar 31, 2015
Cartridge having coupling member and detection body
ITABASHI NAO8 citations93
US8923709B2Dec 30, 2014
Image forming apparatus capable of determining a condition of cartridge assembled therein
ITABASHI NAO25 citations93
USD718381SNov 25, 2014
Toner cartridge
ITABASHI NAO27 citations93
US9360799B2Jun 7, 2016
Toner filling apparatus
ITABASHI NAO7 citations84
USD718378SNov 25, 2014
Photosensitive drum unit
ITABASHI NAO7 citations84
US8849133B2Sep 30, 2014
Image forming apparatus and cartridge therefor
ITABASHI NAO17 citations84
US8712295B2Apr 29, 2014
Developing device
ITABASHI NAO7 citations84
Brother Kogyo Kabuhsiki Kaisha
1 patentShowing the top 50 of 278 patents by PatentIndex Score.