Inventor
HAGA HIROYOSHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “HAGA HIROYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
4 patentsUS5991570ANov 23, 1999
Image forming apparatus having a protection unit to protect a sensitive image forming element which is exposed when an open/close member is open
RICOH KK71 citations96
US5483330AJan 9, 1996
Image transfer unit of image formation apparatus
RICOH KK44 citations92
US5029840AJul 9, 1991
Automatic sheet feeder for an image recording apparatus
RICOH KK27 citations92
US7277657B2Oct 2, 2007
Cleaning device and image forming apparatus including the cleaning device that controls occurrences of background fouling and abnormal image
RICOH KK22 citations89
SENGOKU KENJI
4 patentsUS8682231B2Mar 25, 2014
Image forming apparatus
SENGOKU KENJI6 citations83
US9864307B2Jan 9, 2018
Image forming apparatus with a controller to set transfer bias
SENGOKU KENJI4 citations72
US9519257B2Dec 13, 2016
Cleaning device and image forming apparatus incorporating same
SENGOKU KENJI1 citations51
US9323170B2Apr 26, 2016
Image forming apparatus with a controller to set transfer bias
SENGOKU KENJI0 citations51
OHSUGI TATSUYA
4 patentsFUJITA JUNPEI
3 patentsUS8891996B2Nov 18, 2014
Power supply module and image forming apparatus including same
FUJITA JUNPEI9 citations83
US9811036B2Nov 7, 2017
Belt device and image forming apparatus including same
FUJITA JUNPEI0 citations51
US8948644B2Feb 3, 2015
Power supply module and image forming apparatus including same
FUJITA JUNPEI0 citations51