Inventor
MAEDA YASUTAKA
JP37 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA YASUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
29 patentsUS6240271B1May 29, 2001
Image formation apparatus and image formation method
SHARP KK20 citations92
US5164782ANov 17, 1992
Electrophotographic copying apparatus
SHARP KK30 citations92
US6035168AMar 7, 2000
Developing device having a reduced width in the horizontal direction
SHARP KK32 citations91
US5987272ANov 16, 1999
Image forming apparatus including image quality compensation means
SHARP KK25 citations91
US5237374AAug 17, 1993
Image forming apparatus having intermediate transfer member
SHARP KK21 citations91
US6215968B1Apr 10, 2001
Image forming apparatus with half-tone density control
SHARP KK33 citations90
US5075731ADec 24, 1991
Transfer roller device
SHARP KK56 citations90
US6223007B1Apr 24, 2001
Image forming apparatus
SHARP KK19 citations83
US6353716B1Mar 5, 2002
Image forming apparatus having humidity detection and toner concentration adjusting according to detected humidity
SHARP KK17 citations80
US5200783AApr 6, 1993
Black image density correcting device
SHARP KK12 citations74
US5915074AJun 22, 1999
Image formation apparatus and image formation method
SHARP KK11 citations73
US5343282AAug 30, 1994
Color balance adjusting apparatus for full-color copier
SHARP KK15 citations73
US5194902AMar 16, 1993
Transfer unit
SHARP KK8 citations73
US5103266AApr 7, 1992
Electrophotographic apparatus and method of cleaning the same
SHARP KK16 citations73
US6180300B1Jan 30, 2001
Photosensitive body for electrophotographical use and manufacturing method thereof
SHARP KK5 citations72
US5773175AJun 30, 1998
Photosensitive body for electrophotographical use and manufacturing method thereof
SHARP KK5 citations72
US4935787AJun 19, 1990
Color copier operable both in monochromatic and full-color copying modes
SHARP KK15 citations72
US5477308ADec 19, 1995
Image forming apparatus having an image-quality correction function
SHARP KK10 citations71
US4943834AJul 24, 1990
Image forming apparatus capable of detecting, analyzing and displaying an originals spectroscopic color data
SHARP KK9 citations68
US5245387ASep 14, 1993
Electrophotographic apparatus with reduced contamination from toner scattering
SHARP KK6 citations63
US5233391AAug 3, 1993
Image adjusting apparatus having a controlled the voltage applied to the light source thereof
SHARP KK2 citations63
US4937616AJun 26, 1990
Light source device for use in a copying machine
SHARP KK3 citations63
US5204729AApr 20, 1993
Full color copying machine
SHARP KK5 citations62
US6033815AMar 7, 2000
Photosensitive body for electrophotographical use and manufacturing method thereof
SHARP KK2 citations61
US4952986AAug 28, 1990
Copying apparatus
SHARP KK5 citations61
US4990961AFeb 5, 1991
Electrophotographic apparatus with variable bias voltage
SHARP KK2 citations60
US6258500B1Jul 10, 2001
Photosensitive body for electrophotographical use and manufacturing method thereof
SHARP KK0 citations51
US6180299B1Jan 30, 2001
Photosensitive body for electrophotographical use and manufacturing method thereof
SHARP KK0 citations51
US5055877AOct 8, 1991
Copying apparatus with moveable screen and method
SHARP KK1 citations51
KANAI ETSUKO
2 patentsUS8140191B2Mar 20, 2012
Environment control device, environment control method, environment control program, and computer-readable recording medium containing the environment control program
KANAI ETSUKO8 citations81
US8425427B2Apr 23, 2013
Pulse wave detection device, device control device, and pulse wave detection method
KANAI ETSUKO0 citations36