Inventor
WAKATSU KOHEI
JP37 patents
Patents
37 patentsUS11442385B2Sep 13, 2022
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK4 citations84
US11092916B2Aug 17, 2021
Image forming apparatus including a plurality of heat generating elements
CANON KK7 citations84
US11073778B2Jul 27, 2021
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK6 citations84
US10216130B2Feb 26, 2019
Heating rotating member and heating apparatus
CANON KK8 citations84
US9915897B2Mar 13, 2018
Fixing device
CANON KK10 citations84
US11774891B2Oct 3, 2023
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK2 citations73
US11669032B2Jun 6, 2023
Fixing apparatus having a nip area, and image forming apparatus
CANON KK2 citations73
US11281135B2Mar 22, 2022
Fixing apparatus switching heat generation members and image forming apparatus
CANON KK4 citations73
US11221575B2Jan 11, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK2 citations73
US11204571B2Dec 21, 2021
Heating apparatus including a plurality of heat generating elements, fixing apparatus, and image forming apparatus
CANON KK2 citations73
US11194272B2Dec 7, 2021
Fixing apparatus having a nip area, and image forming apparatus
CANON KK4 citations73
US10921737B2Feb 16, 2021
Fixing apparatus switching heat generation members and image forming apparatus
CANON KK2 citations73
US10838336B2Nov 17, 2020
Fixing device and image forming apparatus that control power supply to heat generation members
CANON KK2 citations73
US10558153B2Feb 11, 2020
Fixing device that controls electrical power supplied to a film based on a difference between detection temperature values output by a first temperature detecting member and a second temperature detecting member
CANON KK4 citations73
US10503105B2Dec 10, 2019
Fixing apparatus having a tubular film that includes a low resistance layer formed in a heat generating layer
CANON KK5 citations73
US10310424B2Jun 4, 2019
Fixing device that alleviates a physical load on non-heat-generating regions of a heat generating layer of a fixing film
CANON KK4 citations73
US10152007B2Dec 11, 2018
Fixing member, fixing device having fixing member, and method of manufacturing fixing member having overlapping heat generating strips
CANON KK4 citations73
US10488794B2Nov 26, 2019
Image forming apparatus that switches power supply to plurality of heating elements
CANON KK2 citations72
US12416886B2Sep 16, 2025
Heater including a plurality of heat generation members, fixing apparatus, and image forming apparatus
CANON KK0 citations62
US12405558B2Sep 2, 2025
Fixing device provided with heater and image forming apparatus
CANON KK0 citations62
US12321114B2Jun 3, 2025
Fixing apparatus having a nip area, and image forming apparatus
CANON KK0 citations62
US12038703B2Jul 16, 2024
Fixing unit and image forming apparatus
CANON KK0 citations62
US12001157B2Jun 4, 2024
Fixing device provided with heater and image forming apparatus
CANON KK0 citations62
US11709446B2Jul 25, 2023
Fixing unit and image forming apparatus
CANON KK0 citations62
US11531294B2Dec 20, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK0 citations62
US11507001B2Nov 22, 2022
Image forming apparatus including a plurality of heat generating elements
CANON KK1 citations62
US10884361B2Jan 5, 2021
Image forming apparatus that switches power supply to plurality of heating elements
CANON KK0 citations62
US12481236B2Nov 25, 2025
Heating apparatus and image forming apparatus
CANON KK0 citations52
US12468245B2Nov 11, 2025
Fixing unit with a film regulating surface disposed upstream of the center of a nip portion and image forming apparatus
CANON KK0 citations52
US11835896B2Dec 5, 2023
Fixing device provided with heater and image forming apparatus
CANON KK0 citations52
US11048198B2Jun 29, 2021
Image forming apparatus
CANON KK0 citations52
US10591856B2Mar 17, 2020
Roller with filler bundle in elastic layer and fixing device
CANON KK0 citations52
US10474074B2Nov 12, 2019
Film for use in fixing device and fixing device with film
CANON KK0 citations52
US10209655B2Feb 19, 2019
Film for use in fixing device and fixing device with film
CANON KK0 citations52
US11835909B2Dec 5, 2023
Image forming apparatus including heater powered with cycle-switched current and fixing device including the heater
CANON KK0 citations51
US10852677B2Dec 1, 2020
Film used for fixing device and fixing device including the film
CANON KK0 citations42
US10254687B2Apr 9, 2019
Fixing apparatus and image forming apparatus that maintain a pressing force between a contact member and a heat rotating member
CANON KK0 citations42