Inventor
TOMITA SYOHJI
JP7 patents
Patents
7 patentsUS7620351B2Nov 17, 2009
Developing device and image forming device
SHARP KK10 citations83
US7366447B2Apr 29, 2008
Image forming apparatus having non-contact charging roller
SHARP KK9 citations83
US7676167B2Mar 9, 2010
Apparatus and method for forming an image with variable processing speed or variable developer mixing speed
SHARP KK9 citations82
US7421216B2Sep 2, 2008
Development method with controlled toner density
SHARP KK4 citations62
US7406280B2Jul 29, 2008
Magnet roller developing device and image forming apparatus for reducing obstructions in developer circulation path
SHARP KK5 citations62
US7167665B2Jan 23, 2007
Foreign material removing system, method of removing foreign material, printing apparatus and printing method
SHARP KK4 citations62
US11609507B1Mar 21, 2023
Powder storage device and image-forming apparatus equipped with the same
SHARP KK0 citations49