Inventor
YASUKAWA KOUJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “YASUKAWA KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
13 patentsUS7548708B2Jun 16, 2009
Power supply unit in image forming apparatus
CANON KK24 citations92
US7425789B2Sep 16, 2008
Power supply apparatus, and image forming apparatus having the same
CANON KK9 citations83
US7265479B2Sep 4, 2007
Power supply apparatus, and image forming apparatus having the same
CANON KK18 citations83
US10928759B2Feb 23, 2021
Heating apparatus and image forming apparatus for controlling conduction to heat generation member
CANON KK2 citations71
US10222735B2Mar 5, 2019
Fixing apparatus and image forming apparatus
CANON KK1 citations62
US7898149B2Mar 1, 2011
Power supply device and image forming apparatus
CANON KK3 citations62
US7579749B2Aug 25, 2009
Power supply device and image forming apparatus using the power supply device
CANON KK4 citations62
US12313992B2May 27, 2025
Fixing unit and image forming apparatus
CANON KK0 citations60
US12055879B2Aug 6, 2024
Fixing unit and image forming apparatus
CANON KK0 citations60
US11709448B2Jul 25, 2023
Fixing unit and image forming apparatus
CANON KK0 citations60
US9052670B2Jun 9, 2015
Color image forming apparatus
CANON KK0 citations52
US11156951B2Oct 26, 2021
Fixing unit and image forming apparatus
CANON KK0 citations51
US12169379B2Dec 17, 2024
Power control device, fixing device, and image forming apparatus
CANON KK0 citations50