Inventor
SHIMAZAWA YOICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAZAWA YOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
28 patentsUS6188419B1Feb 13, 2001
color image-forming device
SHARP KK63 citations96
US6240271B1May 29, 2001
Image formation apparatus and image formation method
SHARP KK20 citations92
US6163334ADec 19, 2000
Image forming device
SHARP KK22 citations92
US5164782ANov 17, 1992
Electrophotographic copying apparatus
SHARP KK30 citations92
US4905051AFeb 27, 1990
Fixing means for electrophotographic copier
SHARP KK26 citations92
US4357617ANov 2, 1982
Ink recirculating device of ink jet printer
SHARP KK33 citations91
US4270133AMay 26, 1981
Ink supply device for an ink jet printer
SHARP KK41 citations91
US5040028AAug 13, 1991
Image forming apparatus with a toner transfer device
SHARP KK37 citations90
US6539114B1Mar 25, 2003
Image processing apparatus
SHARP KK16 citations84
US6181356B1Jan 30, 2001
Pattern image reader device and image stabilizer device incorporated in image forming apparatus
SHARP KK15 citations84
US4190846AFeb 26, 1980
Ink liquid concentration control in an ink liquid supply system for an ink jet system printer
SHARP KK23 citations82
US4368474AJan 11, 1983
Ink droplet formation control in an ink jet system printer
SHARP KK16 citations74
US5915074AJun 22, 1999
Image formation apparatus and image formation method
SHARP KK11 citations73
US5049930ASep 17, 1991
System for preventing erroneous mounting of developer tanks accommodated in a developing device
SHARP KK18 citations72
US5041878AAug 20, 1991
Method for forming and transferring color images
SHARP KK15 citations72
US4843433AJun 27, 1989
Automatic document feeder
SHARP KK7 citations72
US4388630AJun 14, 1983
Ink liquid supply system which compensates for temperature variation
SHARP KK17 citations72
US4343596AAug 10, 1982
Constant flow rate liquid supply pump
SHARP KK10 citations72
US5477308ADec 19, 1995
Image forming apparatus having an image-quality correction function
SHARP KK10 citations71
US7031011B2Apr 18, 2006
Image forming apparatus using image data and identification information in relation to an output apparatus
SHARP KK3 citations63
US6927870B1Aug 9, 2005
Image forming apparatus using image data and identification information in relation to an arbitrary image output apparatus
SHARP KK3 citations63
US6040924AMar 21, 2000
Color image forming apparatus
SHARP KK5 citations63
US5982524ANov 9, 1999
Optical scanning apparatus
SHARP KK6 citations63
US4455127AJun 19, 1984
Compact size plunger pump
SHARP KK5 citations62
US5138386AAug 11, 1992
Developing apparatus
SHARP KK4 citations61
US5070368ADec 3, 1991
Developing apparatus
SHARP KK4 citations61
US4991833AFeb 12, 1991
Automatic document feeder
SHARP KK4 citations61
US4952986AAug 28, 1990
Copying apparatus
SHARP KK5 citations61