Inventor
TSUKADA SHIGERU
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TSUKADA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
13 patentsUS5991558ANov 23, 1999
Image forming apparatus that control the reflected light detected by an optical scanner in response to a gradation area percentage of a toner patch
FUJI XEROX CO LTD40 citations88
US7366430B2Apr 29, 2008
Rotary-type developing device and image forming apparatus
FUJI XEROX CO LTD9 citations82
US4892371AJan 9, 1990
Semiconductor laser array light source and scanner
FUJI XEROX CO LTD19 citations82
US4958239ASep 18, 1990
Method of gradation and selection of micro picture elements therefor in a picture display
FUJI XEROX CO LTD9 citations73
US7983578B2Jul 19, 2011
Image forming device with a manual darkness adjusting section
FUJI XEROX CO LTD2 citations62
US7536116B2May 19, 2009
Image forming apparatus with a plurality of development devices
FUJI XEROX CO LTD3 citations61
US7389059B2Jun 17, 2008
Image forming apparatus having a toner concentration sensor
FUJI XEROX CO LTD2 citations61
US10710768B2Jul 14, 2020
Pallet
FUJI XEROX CO LTD1 citations56
US7751731B2Jul 6, 2010
Image forming apparatus having a toner concentration sensor
FUJI XEROX CO LTD0 citations51
US7539426B2May 26, 2009
Image forming apparatus having a toner concentration sensor
FUJI XEROX CO LTD0 citations51
US7400838B2Jul 15, 2008
Image forming apparatus with toner concentration detection unit
FUJI XEROX CO LTD1 citations51
US9037030B2May 19, 2015
Power control system and power control method
FUJI XEROX CO LTD1 citations47
US7623799B2Nov 24, 2009
Image forming apparatus
FUJI XEROX CO LTD0 citations40