Inventor
NISHIGAKI YUJI
28 patents
⚠️ This page may combine multiple inventors who share the name “NISHIGAKI YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
18 patentsUS5231677AJul 27, 1993
Image processing method and apparatus
CANON KK110 citations96
US4926268AMay 15, 1990
Image processing apparatus which converts m-bit image data to n-bit (n>m) image data
CANON KK56 citations96
US4448801AMay 15, 1984
Process for forming deposition film
CANON KK58 citations96
US5447117ASep 5, 1995
Crystal article, method for producing the same and semiconductor device utilizing the same
CANON KK35 citations92
US5363799ANov 15, 1994
Method for growth of crystal
CANON KK21 citations92
US4918541AApr 17, 1990
Image processing method and apparatus
CANON KK50 citations92
US4870483ASep 26, 1989
Color image sensor including a plurality of photocells and a plurality of colored filters provided on the plurality of photocells
CANON KK50 citations92
US4864326ASep 5, 1989
Dual beam recorder
CANON KK45 citations92
US4980757ADec 25, 1990
Image processing apparatus for gradation processing of an image signal to output a pulse width modulated signal
CANON KK20 citations82
US4365015ADec 21, 1982
Photosensitive member for electrophotography composed of a photoconductive amorphous silicon
CANON KK7 citations73
US4335195AJun 15, 1982
Electrophotosensitive element has resin encapsulated CdS particles in binding resin
CANON KK7 citations72
US4592984AJun 3, 1986
Multilayer electrophotographic photosensitive member
CANON KK4 citations63
US4347296AAug 31, 1982
Electrophotographic photosensitive member and electrophotographic process
CANON KK5 citations62
US4439504AMar 27, 1984
Electrophotographic photosensitive member and color electrophotographic process
CANON KK1 citations52
US4409310AOct 11, 1983
Surface doped inorganic electrophotographic photosensitive particles in binder
CANON KK1 citations48
US4316948AFeb 23, 1982
Photoconductive CdS powder material for electrophotography
CANON KK1 citations48
US4352875AOct 5, 1982
Voltage distribution difference electrophotographic process
CANON KK0 citations41
US4347297AAug 31, 1982
Electrophotographic method and element
CANON KK0 citations41
BROTHER IND LTD
7 patentsUS11801696B2Oct 31, 2023
Sheet conveyor and image forming system
BROTHER IND LTD2 citations64
US9195189B2Nov 24, 2015
Fixing device
BROTHER IND LTD0 citations52
US11932509B2Mar 19, 2024
Conveyer and image recording apparatus
BROTHER IND LTD0 citations42
US9188919B2Nov 17, 2015
Fixing device provided with rotating member having concave shape
BROTHER IND LTD0 citations41
US9116475B2Aug 25, 2015
Fixing device fixing transferred developing agent image to sheet
BROTHER IND LTD0 citations41
US9091978B2Jul 28, 2015
Fixing device provided with stay having rigidity distribution
BROTHER IND LTD0 citations41
US9008548B2Apr 14, 2015
Fixing device provided with reinforced nip member
BROTHER IND LTD0 citations41