Inventor
MOTOYAMA HAJIME
JP22 patents
⚠️ This page may combine multiple inventors who share the name “MOTOYAMA HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
20 patentsUS5621630AApr 15, 1997
Power source apparatus of image forming apparatus
CANON KK27 citations92
US5414862AMay 9, 1995
Apparatus for controlling a power source
CANON KK25 citations92
US5412455AMay 2, 1995
Charging device, image forming apparatus and detachably mountable process cartridge having a constant voltage power source feature
CANON KK26 citations92
US4980811ADec 25, 1990
Power source apparatus
CANON KK37 citations88
US6236579B1May 22, 2001
Power supply apparatus, its control method and image formation apparatus
CANON KK17 citations83
US5444519AAug 22, 1995
Electrophotographic image forming apparatus and its high voltage power source device
CANON KK18 citations81
US7426226B2Sep 16, 2008
Drive circuit and drive method for semiconductor light source
CANON KK6 citations73
US7170543B2Jan 30, 2007
Image formation device
CANON KK6 citations73
US5365316ANov 15, 1994
Electrophotographic image forming apparatus and its high voltage power source device
CANON KK9 citations73
US10942480B2Mar 9, 2021
Image forming apparatus with detection of abnormality of power source device or an optical scanning device
CANON KK2 citations72
US7280131B2Oct 9, 2007
Image formation device
CANON KK4 citations62
US7196717B2Mar 27, 2007
Image forming apparatus, control method therefor, and program for implementing the control method
CANON KK2 citations62
US7796658B2Sep 14, 2010
Drive circuit and drive method for semiconductor light source
CANON KK0 citations51
US7417660B2Aug 26, 2008
Image forming apparatus and image forming method
CANON KK0 citations51
US7256812B2Aug 14, 2007
Laser exposing apparatus
CANON KK0 citations51
US7042481B2May 9, 2006
Laser exposing apparatus
CANON KK0 citations51
US10795279B2Oct 6, 2020
Image forming apparatus having optical print heads
CANON KK0 citations41
US10126675B2Nov 13, 2018
Image forming apparatus
CANON KK0 citations41
US9244375B2Jan 26, 2016
Image forming apparatus
CANON KK0 citations41
US7903136B2Mar 8, 2011
Scanning optical apparatus and image forming apparatus
CANON KK0 citations41