Inventor
TSUKIJIMA HISASHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TSUKIJIMA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
15 patentsUS9442427B2Sep 13, 2016
Developing device
CANON KK3 citations72
US9316948B2Apr 19, 2016
Developing apparatus with discharge regulating member
CANON KK5 citations72
US12092980B2Sep 17, 2024
Calculation system, image forming apparatus, and image forming system
CANON KK0 citations60
US12379685B2Aug 5, 2025
Image forming apparatus
CANON KK0 citations59
US11994819B2May 28, 2024
Image forming apparatus
CANON KK0 citations59
US11835886B2Dec 5, 2023
Developer discharging method of developing device and developing device
CANON KK0 citations50
US11822264B2Nov 21, 2023
Developer discharging method of developing device and developing device
CANON KK0 citations50
US10031447B2Jul 24, 2018
Belt conveying device and image forming apparatus having steering control mechanism
CANON KK1 citations50
US12085880B2Sep 10, 2024
Image forming apparatus
CANON KK0 citations49
US11886131B2Jan 30, 2024
Image forming apparatus
CANON KK0 citations49
US9971283B2May 15, 2018
Belt conveyance apparatus and image forming apparatus for reduced belt buckling
CANON KK1 citations48
US11086255B2Aug 10, 2021
Image forming apparatus
CANON KK0 citations47
US9500991B2Nov 22, 2016
Developing apparatus having supply device with compound spiral portions
CANON KK0 citations41
US10254685B2Apr 9, 2019
Belt conveyance device and image forming apparatus
CANON KK0 citations40
US10766723B2Sep 8, 2020
Image forming apparatus
CANON KK0 citations32