Inventor
TAGUCHI KAZUNA
JP104 patents
⚠️ This page may combine multiple inventors who share the name “TAGUCHI KAZUNA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
49 patentsUS9383720B1Jul 5, 2016
Process cartridge and drum cartridge
BROTHER IND LTD24 citations94
US11415933B2Aug 16, 2022
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD4 citations84
US11231674B2Jan 25, 2022
Image forming device having drawer
BROTHER IND LTD4 citations84
US10928750B2Feb 23, 2021
Developing cartridge including protrusion positioned at outer surface of casing
BROTHER IND LTD4 citations84
US10551768B2Feb 4, 2020
Developing cartridge including protrusion positioned at outer surface of casing
BROTHER IND LTD6 citations84
US10379492B2Aug 13, 2019
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD5 citations84
US10241467B2Mar 26, 2019
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD7 citations84
US10108138B2Oct 23, 2018
Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge
BROTHER IND LTD4 citations84
US9857731B2Jan 2, 2018
Developing cartridge including protrusion positioned at outer surface of casing
BROTHER IND LTD8 citations84
USD795340SAug 22, 2017
Toner cartridge
BROTHER IND LTD11 citations84
USD783087SApr 4, 2017
Photosensitive drum unit
BROTHER IND LTD9 citations84
US11934113B2Mar 19, 2024
Developing cartridge including protrusion positioned at outer surface of casing
BROTHER IND LTD2 citations73
US11803154B2Oct 31, 2023
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD2 citations73
US11556085B2Jan 17, 2023
Image forming device having drawer
BROTHER IND LTD2 citations73
US10303113B2May 28, 2019
Developing cartridge comprising mechanism for information detection
BROTHER IND LTD1 citations73
US10073409B2Sep 11, 2018
Developing cartridge comprising mechanism for information detection
BROTHER IND LTD2 citations73
US9964922B2May 8, 2018
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD2 citations73
US9904237B2Feb 27, 2018
Developing cartridge including protrusion pivotally movable relative to casing
BROTHER IND LTD4 citations73
US9864329B2Jan 9, 2018
Developer cartridge provided with gear including protrusion
BROTHER IND LTD4 citations73
US9846405B2Dec 19, 2017
Developing cartridge comprising mechanism for information detection
BROTHER IND LTD4 citations73
USD795341SAug 22, 2017
Toner cartridge
BROTHER IND LTD4 citations73
US11402773B2Aug 2, 2022
Fuser
BROTHER IND LTD2 citations72
US12541166B2Feb 3, 2026
Image forming device having drawer
BROTHER IND LTD0 citations63
US12282288B2Apr 22, 2025
Image forming apparatus
BROTHER IND LTD0 citations63
US12259680B2Mar 25, 2025
Image forming apparatus
BROTHER IND LTD0 citations63
US12204275B2Jan 21, 2025
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD0 citations63
US12147189B2Nov 19, 2024
Image forming device
BROTHER IND LTD0 citations63
US12105456B2Oct 1, 2024
Image forming device having drawer
BROTHER IND LTD0 citations63
US11927912B2Mar 12, 2024
Image forming apparatus and process cartridge including drum cartridge and development cartridge
BROTHER IND LTD0 citations63
US11815846B2Nov 14, 2023
Image forming apparatus
BROTHER IND LTD0 citations63
US11762328B2Sep 19, 2023
Image forming apparatus
BROTHER IND LTD0 citations63
US11656575B2May 23, 2023
Image forming device
BROTHER IND LTD0 citations63
US11604433B2Mar 14, 2023
Developing cartridge providing layout of electrodes and detection gear
BROTHER IND LTD0 citations63
US11493877B2Nov 8, 2022
Image forming apparatus
BROTHER IND LTD1 citations63
US11487241B2Nov 1, 2022
Image forming device
BROTHER IND LTD0 citations63
US11454919B2Sep 27, 2022
Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge
BROTHER IND LTD0 citations63
US11442403B2Sep 13, 2022
Image forming apparatus and process cartridge including drum cartridge and development cartridge
BROTHER IND LTD0 citations63
US11409231B2Aug 9, 2022
Image forming apparatus having a drawer including a lock portion
BROTHER IND LTD0 citations63
US11314200B2Apr 26, 2022
Image forming apparatus
BROTHER IND LTD0 citations63
US11199809B2Dec 14, 2021
Image forming device
BROTHER IND LTD0 citations63
US11137704B2Oct 5, 2021
Fixing device and image forming apparatus
BROTHER IND LTD0 citations63
US11126136B2Sep 21, 2021
Image forming apparatus having drawer
BROTHER IND LTD1 citations63
US11009826B2May 18, 2021
Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge
BROTHER IND LTD0 citations63
US12529995B2Jan 20, 2026
Image forming apparatus including process cartridge provided with toner receiving part for receiving toner
BROTHER IND LTD0 citations62
US12487557B2Dec 2, 2025
Image forming apparatus including toner cartridge that is detachable from housing with drum cartridge kept attached to housing
BROTHER IND LTD0 citations62
US12436494B2Oct 7, 2025
Image forming device and process cartridge therefor
BROTHER IND LTD0 citations62
US12366817B2Jul 22, 2025
Developing cartridge including protrusion positioned at outer surface of casing
BROTHER IND LTD0 citations62
US12222666B2Feb 11, 2025
Fixing device including pressure roller whose elastic layer has little impact on nip width due to thermal expansion
BROTHER IND LTD0 citations62
US12147188B2Nov 19, 2024
Image forming apparatus including process cartridge provided with toner receiving part for receiving toner
BROTHER IND LTD0 citations62
SOUDA MAKOTO
1 patentShowing the top 50 of 104 patents by PatentIndex Score.