Inventor
IGAWA SHOTA
JP5 patents
Patents
5 patentsUS11567429B2Jan 31, 2023
Developing device and image forming apparatus with separately driven elements
FUJIFILM BUSINESS INNOVATION CORP0 citations59
US11567430B2Jan 31, 2023
Developing device having a partition member and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations59
US11681242B2Jun 20, 2023
Developing device and image forming apparatus having a reverse helical section
FUJIFILM BUSINESS INNOVATION CORP0 citations50
US11609510B2Mar 21, 2023
Developing device and image forming apparatus with a developer discharging structure
FUJIFILM BUSINESS INNOVATION CORP0 citations50
US11520250B2Dec 6, 2022
Developing device with filter and a plurality of air exit paths and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations49