Inventor
KAMIYA YUJI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “KAMIYA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
17 patentsUS5721627AFeb 24, 1998
Sheet transport apparatus for detecting a color of a document
CANON KK18 citations92
US5610689AMar 11, 1997
Image forming apparatus having failure diagnosing function
CANON KK23 citations92
US5481337AJan 2, 1996
Method and apparatus for correcting image formation in accordance with a potential measurement and a density measurement selected along an axial direction of a photosensitive drum
CANON KK47 citations91
US6903844B1Jun 7, 2005
Image formation apparatus, image formation apparatus control method, and storage medium storing computer-readable program
CANON KK12 citations84
US6493524B2Dec 10, 2002
Image forming apparatus
CANON KK14 citations84
US6418280B2Jul 9, 2002
Electrophotographic apparatus with exposure control for multiple target light portion potentials
CANON KK14 citations84
US6125244ASep 26, 2000
Image forming apparatus featuring an environmentally responsive voltage switch
CANON KK17 citations84
US7336910B2Feb 26, 2008
Image forming apparatus with gamma conversion means
CANON KK5 citations74
US7259885B2Aug 21, 2007
Image forming apparatus with gamma conversion means
CANON KK4 citations74
US7260345B2Aug 21, 2007
Image forming apparatus with a developer consumption control feature
CANON KK7 citations74
US5557427ASep 17, 1996
Image forming apparatus with means for detecting sheet thickness
CANON KK13 citations74
US6538678B2Mar 25, 2003
Image forming apparatus with development controller
CANON KK7 citations73
US6822767B2Nov 23, 2004
Image processing method and image processing apparatus
CANON KK7 citations72
US7499660B2Mar 3, 2009
Image forming apparatus and image forming method
CANON KK1 citations63
US7254349B2Aug 7, 2007
Image forming apparatus having means to control condition of current supply to discharge wire and grid of charging member
CANON KK5 citations63
US6987576B2Jan 17, 2006
Image forming apparatus with gamma conversion means
CANON KK3 citations63
US6456817B1Sep 24, 2002
Fixing device having an intruding separation member
CANON KK6 citations63