Inventor
KYOTANI TADAO
JP48 patents
⚠️ This page may combine multiple inventors who share the name “KYOTANI TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
45 patentsUS10101684B2Oct 16, 2018
Image forming apparatus and cartridge comprising detection gear
BROTHER IND LTD11 citations84
US11579554B2Feb 14, 2023
Image forming apparatus capable of displaying on display error relating to drum cartridge in preference to error relating to toner cartridge
BROTHER IND LTD3 citations73
US11016412B2May 25, 2021
Printing device and control method of the same
BROTHER IND LTD3 citations73
US10859941B2Dec 8, 2020
Image forming apparatus including toner cartridge having toner memory and drum cartridge having drum memory
BROTHER IND LTD2 citations73
US10845754B2Nov 24, 2020
Drum cartridge and image forming apparatus
BROTHER IND LTD2 citations73
US10564569B2Feb 18, 2020
Printing device and control method of the same
BROTHER IND LTD3 citations73
US8657407B2Feb 25, 2014
Liquid ejecting device
BROTHER IND LTD4 citations73
US11378913B2Jul 5, 2022
Image forming apparatus capable of controlling extension of use of drum cartridge
BROTHER IND LTD2 citations72
US11256211B2Feb 22, 2022
Image forming apparatus capable of controlling extension of use of drum cartridge
BROTHER IND LTD2 citations72
US12504711B2Dec 23, 2025
Drum cartridge and image forming apparatus
BROTHER IND LTD0 citations62
US12436489B2Oct 7, 2025
Image forming apparatus including controller capable of determining whether developing cartridge, drum cartridge and belt unit are reached their lifetimes
BROTHER IND LTD0 citations62
US12399457B2Aug 26, 2025
Image forming apparatus including device main body and consumable attachable thereto and including consumable memory for storing recycling history information
BROTHER IND LTD0 citations62
US12353146B2Jul 8, 2025
Printing device and control method of the same
BROTHER IND LTD0 citations62
US12050428B2Jul 30, 2024
Image forming apparatus requesting execution of density correction process
BROTHER IND LTD0 citations62
US11868081B2Jan 9, 2024
Image forming apparatus capable of determining whether communication between controller and storage medium of developing cartridge is established
BROTHER IND LTD0 citations62
US11852998B2Dec 26, 2023
Image forming apparatus capable of displaying on display error relating to drum cartridge in preference to error relating to toner cartridge
BROTHER IND LTD0 citations62
US11835904B2Dec 5, 2023
Image forming apparatus including controller capable of determining whether developing cartridge, drum cartridge and belt unit are reached their lifetimes
BROTHER IND LTD0 citations62
US11829099B2Nov 28, 2023
Drum cartridge and image forming apparatus
BROTHER IND LTD0 citations62
US11774894B2Oct 3, 2023
Image forming apparatus capable of determining whether to order new drum cartridge together with new toner cartridge
BROTHER IND LTD1 citations62
US11720038B2Aug 8, 2023
Printing device and control method of the same
BROTHER IND LTD0 citations62
US11675304B2Jun 13, 2023
Image forming apparatus requesting execution of density correction process
BROTHER IND LTD0 citations62
US11579542B2Feb 14, 2023
Image forming apparatus including toner cartridge having toner memory and drum cartridge having drum memory
BROTHER IND LTD0 citations62
US11513470B2Nov 29, 2022
Image-forming apparatus including drum cartridge having memory storing first type information, and toner cartridge having memory storing second type information
BROTHER IND LTD0 citations62
US11507015B2Nov 22, 2022
Image forming apparatus capable of determining whether communication between controller and storage medium of developing cartridge is established
BROTHER IND LTD0 citations62
US11454925B2Sep 27, 2022
Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing
BROTHER IND LTD0 citations62
US11448984B2Sep 20, 2022
Printing device and control method of the same
BROTHER IND LTD0 citations62
US11442389B2Sep 13, 2022
Image forming apparatus including transfer unit and capable of determining lifetime of transfer unit
BROTHER IND LTD0 citations62
US11372359B2Jun 28, 2022
Image forming apparatus requesting execution of density correction process
BROTHER IND LTD0 citations62
US10962928B2Mar 30, 2021
Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing
BROTHER IND LTD0 citations62
US11934144B2Mar 19, 2024
Image forming apparatus capable of controlling extension of use of drum cartridge
BROTHER IND LTD0 citations61
US11809128B2Nov 7, 2023
Image forming apparatus capable of controlling extension of use of drum cartridge
BROTHER IND LTD0 citations61
US11809113B2Nov 7, 2023
Drum cartridge for use with a toner cartridge in an image forming apparatus
BROTHER IND LTD0 citations61
US11092920B2Aug 17, 2021
Image forming apparatus
BROTHER IND LTD0 citations61
US11899387B2Feb 13, 2024
Image-forming device performing printing process according to mode switched between normal printing mode and extended printing mode
BROTHER IND LTD0 citations52
US11846905B2Dec 19, 2023
Image forming device performing preliminary process to rotate roller at determined rotational speed
BROTHER IND LTD0 citations52
US11762310B2Sep 19, 2023
Image forming apparatus that determines whether cartridge can be used in the image forming apparatus
BROTHER IND LTD0 citations52
US11681253B2Jun 20, 2023
Image forming apparatus rewriting usage status information to information indicating that cartridge is old cartridge
BROTHER IND LTD0 citations52
US10564599B2Feb 18, 2020
Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing
BROTHER IND LTD0 citations52
US11003131B2May 11, 2021
Image forming apparatus
BROTHER IND LTD0 citations50
US12025942B2Jul 2, 2024
Image forming apparatus
BROTHER IND LTD0 citations49
US11860558B2Jan 2, 2024
Image forming apparatus
BROTHER IND LTD0 citations49
US10551772B2Feb 4, 2020
Image forming apparatus and sheet conveying method
BROTHER IND LTD0 citations42
US10191408B2Jan 29, 2019
Image forming apparatus and cartridge including detection gear
BROTHER IND LTD0 citations42
US9272553B2Mar 1, 2016
Recording apparatus
BROTHER IND LTD0 citations42
US9102496B2Aug 11, 2015
Recording medium discharging apparatus and computer-readable medium storing recording medium discharging program
BROTHER IND LTD0 citations42