Inventor
TOKUNAGA RYOHEI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TOKUNAGA RYOHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA DOCUMENT SOLUTIONS INC
16 patentsUS9235181B2Jan 12, 2016
Fixing device including fixing belt, detected member co-rotated with fixing belt and rotation detecting part detecting rotation of detected member and image forming apparatus including the same
KYOCERA DOCUMENT SOLUTIONS INC2 citations61
US10514639B2Dec 24, 2019
Heating unit, fixing device, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations60
US11137705B2Oct 5, 2021
Fixing device, image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations57
US9645534B2May 9, 2017
Contactless type temperature detecting device configured to detect a temperature of a heated body without contacting, and fixing device and image forming apparatus including the temperature device
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US9557691B2Jan 31, 2017
Fixing device temperature sensor
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US10386762B2Aug 20, 2019
Heating unit including heating parts, in which each heating part includes heating resistors, fixing device including this heating unit, and image forming apparatus including this fixing device
KYOCERA DOCUMENT SOLUTIONS INC0 citations50
US11768455B2Sep 26, 2023
Fixing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations49
US11644772B2May 9, 2023
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations49
US11614701B2Mar 28, 2023
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations49
US12517451B2Jan 6, 2026
Image forming apparatus that limits maximum power supplied to heating member for predetermined specific period of time when power supply to heating member is resumed
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12399451B2Aug 26, 2025
Fixing device for image forming apparatus with retention member having groove for retaining lubricant
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12332592B2Jun 17, 2025
Fixing device including heater retention member, having slits formed on face opposing inner circumferential surface of fixing belt, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US12013654B2Jun 18, 2024
Fixing device and image forming apparatus provided therewith
KYOCERA DOCUMENT SOLUTIONS INC0 citations48
US10248056B2Apr 2, 2019
Fixing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations40
US9377728B2Jun 28, 2016
Fixing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations40
US10416596B2Sep 17, 2019
Fixing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations39