Inventor
IRIYAMA SHOTA
JP31 patents
⚠️ This page may combine multiple inventors who share the name “IRIYAMA SHOTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
30 patentsUS12429800B2Sep 30, 2025
Image forming apparatus with fixing device having lever and fixed handle
BROTHER IND LTD2 citations73
US10739698B2Aug 11, 2020
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD2 citations72
US10031467B2Jul 24, 2018
Cleaning roller provided with shaft and elastic body wound thereabout
BROTHER IND LTD2 citations72
US12498650B2Dec 16, 2025
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD0 citations62
US12147171B2Nov 19, 2024
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD0 citations62
US11709458B2Jul 25, 2023
Image forming apparatus capable of double-side printing
BROTHER IND LTD0 citations62
US11537062B2Dec 27, 2022
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD0 citations62
US11143981B2Oct 12, 2021
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD0 citations62
US10901340B2Jan 26, 2021
Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing
BROTHER IND LTD0 citations62
US11415912B2Aug 16, 2022
Developing cartridge including agitator configured to contact peripheral surface of supply roller
BROTHER IND LTD0 citations61
US10488807B2Nov 26, 2019
Charge removal process in image forming apparatus
BROTHER IND LTD1 citations61
US9195165B2Nov 24, 2015
Developing cartridge and process cartridge
BROTHER IND LTD3 citations61
US10684584B1Jun 16, 2020
Development device
BROTHER IND LTD1 citations60
US11537061B2Dec 27, 2022
Image forming apparatus, and control method for the same
BROTHER IND LTD0 citations52
US12529983B2Jan 20, 2026
Image forming apparatus including main body casing, fixing device attachable thereto, and spring configured to press boss of fixing device in attached state to main body casing
BROTHER IND LTD0 citations51
US10890858B2Jan 12, 2021
Development device
BROTHER IND LTD0 citations51
US10254678B2Apr 9, 2019
Image forming apparatus having image bearing member and collection device to collect materials adhered on the image bearing member
BROTHER IND LTD0 citations51
US10248072B2Apr 2, 2019
Cleaning roller provided with shaft and elastic body wound thereabout
BROTHER IND LTD0 citations51
US9989914B2Jun 5, 2018
Cleaning roller and cleaning device
BROTHER IND LTD1 citations51
US9766572B2Sep 19, 2017
Developing cartridge and process cartridge
BROTHER IND LTD0 citations51
US9360793B2Jun 7, 2016
Developing cartridge and process cartridge
BROTHER IND LTD0 citations51
US12271126B2Apr 8, 2025
Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum
BROTHER IND LTD0 citations50
US9507315B2Nov 29, 2016
Developing cartridge provided with supply electrode and protecting portion capable of protecting supply electrode
BROTHER IND LTD0 citations41
US10691039B2Jun 23, 2020
Charge removal process in image forming apparatus
BROTHER IND LTD0 citations40
US10444657B2Oct 15, 2019
Charge voltage controller for process unit of image forming apparatus, method of controlling the same, and non-transitory computer-readable storage medium
BROTHER IND LTD0 citations40
US10289019B2May 14, 2019
Image forming apparatus that controls cleaning ability of cleaner and control method thereof
BROTHER IND LTD0 citations40
US9952551B2Apr 24, 2018
Image forming apparatus for performing scraping process to scrape photosensitive member
BROTHER IND LTD0 citations40
US10452023B2Oct 22, 2019
Image forming apparatus and drum cartridge
BROTHER IND LTD0 citations39
US10386784B2Aug 20, 2019
Image forming apparatus including handle cover configured to cover handle of drum cartridge
BROTHER IND LTD0 citations39
US10274862B2Apr 30, 2019
Image forming apparatus including drum cartridge
BROTHER IND LTD0 citations39