Inventor
NAGAYAMA KATSUHIRO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAGAYAMA KATSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
23 patentsUS5826136AOct 20, 1998
Image stabilizing method for use in an image forming apparatus
SHARP KK19 citations92
US5164782ANov 17, 1992
Electrophotographic copying apparatus
SHARP KK30 citations92
US5987272ANov 16, 1999
Image forming apparatus including image quality compensation means
SHARP KK25 citations91
US5019862AMay 28, 1991
Heat control for photoreceptor
SHARP KK29 citations91
US6215968B1Apr 10, 2001
Image forming apparatus with half-tone density control
SHARP KK33 citations90
US5075731ADec 24, 1991
Transfer roller device
SHARP KK56 citations90
US5107303AApr 21, 1992
Cleaning structure for moving image retainer for use in an image forming device
SHARP KK23 citations87
US7657194B2Feb 2, 2010
Image forming apparatus and toner supply control program for the same
SHARP KK8 citations84
US5953554ASep 14, 1999
Image forming apparatus with a toner density measuring function
SHARP KK18 citations84
US6223007B1Apr 24, 2001
Image forming apparatus
SHARP KK19 citations83
US6160972ADec 12, 2000
Image forming apparatus
SHARP KK7 citations74
US5200783AApr 6, 1993
Black image density correcting device
SHARP KK12 citations74
US5734948AMar 31, 1998
Image stabilizer
SHARP KK11 citations73
US5343282AAug 30, 1994
Color balance adjusting apparatus for full-color copier
SHARP KK15 citations73
US5103266AApr 7, 1992
Electrophotographic apparatus and method of cleaning the same
SHARP KK16 citations73
US7920801B2Apr 5, 2011
Image forming apparatus and method for controlling image forming apparatus
SHARP KK2 citations63
US5204729AApr 20, 1993
Full color copying machine
SHARP KK5 citations62
US4910111AMar 20, 1990
Electrophotographic photoreceptor comprising amorphous silicon layer coated with amorphous inorganic material
SHARP KK2 citations61
US7880927B2Feb 1, 2011
Image forming apparatus, image forming method, program, and recording medium
SHARP KK5 citations57
US10657428B2May 19, 2020
Image processing unit, image forming apparatus, image processing method, and storage medium
SHARP KK0 citations52
US7889365B2Feb 15, 2011
Image forming apparatus
SHARP KK1 citations52
US5055877AOct 8, 1991
Copying apparatus with moveable screen and method
SHARP KK1 citations51
US8019242B2Sep 13, 2011
Image forming apparatus and image forming method for suppressing fluctuation of formed images
SHARP KK0 citations42
JFE CHEMICAL CORP
4 patentsUS9327978B2May 3, 2016
Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary battery
JFE CHEMICAL CORP3 citations70
US9379384B2Jun 28, 2016
Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery
JFE CHEMICAL CORP0 citations49
US10170752B2Jan 1, 2019
Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary battery
JFE CHEMICAL CORP0 citations38
US9735421B2Aug 15, 2017
Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary battery
JFE CHEMICAL CORP0 citations38