Inventor
WATANABE YASUNARI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE YASUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
28 patentsUS6421512B2Jul 16, 2002
Image forming apparatus with image bearing member charger that reduces the amount of toner electric charge
CANON KK62 citations96
US5819149AOct 6, 1998
Image forming apparatus preventing change of size of image
CANON KK55 citations96
US6453139B2Sep 17, 2002
Image forming apparatus
CANON KK39 citations93
US6415127B1Jul 2, 2002
Developing apparatus having a direct or alternating current applied thereto
CANON KK39 citations93
US5893013AApr 6, 1999
Developer regulating member and developing apparatus
CANON KK26 citations93
US6744994B2Jun 1, 2004
Image forming apparatus with environmentally-controlled first and second charging members
CANON KK33 citations92
US6640063B2Oct 28, 2003
Image forming apparatus featuring first and second peak-to-peak charging voltages, respectively, corresponding to first and second image bearing member speeds and voltage frequencies
CANON KK27 citations92
US6532347B2Mar 11, 2003
Method of controlling an AC voltage applied to an electrifier
CANON KK41 citations92
US6115575ASep 5, 2000
Developing apparatus
CANON KK38 citations92
US6909869B2Jun 21, 2005
Developer regulating member and developing apparatus
CANON KK24 citations91
US5860052AJan 12, 1999
Image heating apparatus
CANON KK20 citations91
US7050733B2May 23, 2006
Image forming apparatus including two developer carrying members wherein potential differences between the developer carrying members and a common voltage source differ
CANON KK15 citations84
US7006774B2Feb 28, 2006
Image forming apparatus, wherein voltages applied to developer regulating members are based on respective voltages applied to developer carrying members
CANON KK12 citations84
US6611668B2Aug 26, 2003
Image forming apparatus with residual developing charging feature
CANON KK15 citations84
US6603941B2Aug 5, 2003
Image forming apparatus including first and second charge-applying devices disposed between developer transfer and charging positions on an image bearing body
CANON KK9 citations74
US9046809B2Jun 2, 2015
Image forming apparatus
CANON KK4 citations73
US7194226B2Mar 20, 2007
Image forming apparatus featuring an image bearing member charged by a charging means and a developer charge providing means
CANON KK3 citations63
US6999690B2Feb 14, 2006
Image forming apparatus
CANON KK4 citations63
US6996355B2Feb 7, 2006
Image formation apparatus having charging means and developing agent charging means
CANON KK4 citations63
US6944416B2Sep 13, 2005
Image forming apparatus
CANON KK2 citations63
US10948844B2Mar 16, 2021
Color image forming apparatus
CANON KK0 citations61
US9389534B2Jul 12, 2016
Image forming apparatus
CANON KK0 citations52
US9052670B2Jun 9, 2015
Color image forming apparatus
CANON KK0 citations52
US9001174B2Apr 7, 2015
Image forming apparatus
CANON KK1 citations52
US7970306B2Jun 28, 2011
Image forming apparatus including device for outputting developer remainder amount information
CANON KK0 citations52
US10372058B2Aug 6, 2019
Color image forming apparatus
CANON KK0 citations51
US9377715B2Jun 28, 2016
Developing unit and process cartridge
CANON KK0 citations42
US9207562B2Dec 8, 2015
Image forming apparatus
CANON KK0 citations42
WATANABE YASUNARI
3 patentsUS8331817B2Dec 11, 2012
Image forming apparatus with developer remainder amount detection feature
WATANABE YASUNARI0 citations48
US9146490B2Sep 29, 2015
Image forming apparatus having duel color image forming control modes
WATANABE YASUNARI0 citations38
US8879928B2Nov 4, 2014
Image forming apparatus
WATANABE YASUNARI0 citations38