Inventor
MAEDA MASAFUMI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
27 patentsUS7283145B2Oct 16, 2007
Image heating apparatus and heater therefor
CANON KK65 citations97
US6922534B2Jul 26, 2005
Process cartridge and electrophotographic image forming apparatus having electrical connection for memory
CANON KK67 citations96
US7469120B2Dec 23, 2008
Image heating apparatus
CANON KK21 citations93
US7366455B2Apr 29, 2008
Image fixing apparatus with heater and heater holder contacting the heater
CANON KK44 citations93
US9229388B2Jan 5, 2016
Fixing device
CANON KK16 citations92
US9983522B2May 29, 2018
Fixing device
CANON KK6 citations84
US9507303B2Nov 29, 2016
Fixing device
CANON KK10 citations84
US9235172B2Jan 12, 2016
Image fixing apparatus
CANON KK8 citations84
US9703242B2Jul 11, 2017
Fixing apparatus
CANON KK3 citations73
US9671745B2Jun 6, 2017
Image forming apparatus
CANON KK2 citations73
US9519252B2Dec 13, 2016
Fixing device
CANON KK6 citations73
US9454118B2Sep 27, 2016
Fixing apparatus
CANON KK3 citations73
US9335726B2May 10, 2016
Image forming apparatus having a transfer unit frame
CANON KK3 citations73
US9195212B2Nov 24, 2015
Color electrophotographic image forming apparatus having movable main body electrical contacts
CANON KK4 citations73
US9141038B2Sep 22, 2015
Image forming apparatus
CANON KK3 citations63
US11953853B2Apr 9, 2024
Image forming apparatus
CANON KK1 citations62
US11036169B2Jun 15, 2021
Fixing device
CANON KK0 citations52
US9075353B2Jul 7, 2015
Image forming apparatus having endless belt contact member
CANON KK1 citations52
US12411441B2Sep 9, 2025
Temperature detection apparatus having a base member that moves in a thickness direction of a heater, fixing apparatus, and image forming apparatus
CANON KK0 citations51
US12353149B2Jul 8, 2025
Temperature detection device, fixing apparatus, and image forming apparatus
CANON KK0 citations51
US12061429B2Aug 13, 2024
Heater, heating device, and image forming apparatus
CANON KK0 citations51
US7257340B2Aug 14, 2007
Image forming apparatus featuring a controller for switching a first transfer bias to a second smaller transfer bias while the print material is passing through a transfer nip portion
CANON KK0 citations51
US7058322B2Jun 6, 2006
Transfer bias control method for image forming apparatus using electrophotographic process
CANON KK0 citations51
US10416599B2Sep 17, 2019
Fixing device having a supporting portion that includes first and second opposing surfaces that oppose an inner surface of a film and engaging surfaces that engage with a frame
CANON KK0 citations42
US10338503B2Jul 2, 2019
Fixing device including rotary member to suppress vaporized component escape
CANON KK0 citations42
US10642200B2May 5, 2020
Fixing device with tiltable spacer between heater and safety
CANON KK0 citations41
US9042800B2May 26, 2015
Fixing device
CANON KK0 citations41
SCREEN HOLDINGS CO LTD
4 patentsUS11373889B2Jun 28, 2022
Substrate treating apparatus
SCREEN HOLDINGS CO LTD5 citations84
US10879091B2Dec 29, 2020
Substrate treating apparatus
SCREEN HOLDINGS CO LTD5 citations84
US10170349B2Jan 1, 2019
Substrate treating apparatus
SCREEN HOLDINGS CO LTD13 citations84
US11049749B2Jun 29, 2021
Substrate treating apparatus
SCREEN HOLDINGS CO LTD0 citations49