Inventor
KOYANAGI KIYOSHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “KOYANAGI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM BUSINESS INNOVATION CORP
14 patentsUS11624997B2Apr 11, 2023
Heating device and apparatus using member to be heated
FUJIFILM BUSINESS INNOVATION CORP2 citations72
US12523432B2Jan 13, 2026
Thermally conductive pipe, heat treatment device, and treatment system
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12461479B2Nov 4, 2025
Heating device including heat pipe
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12105450B2Oct 1, 2024
Heating device and heating-object utilization apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11982493B2May 14, 2024
Thermally conductive pipe, heat treatment device, and treatment system
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11703782B2Jul 18, 2023
Fixing device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11442386B2Sep 13, 2022
Heating device and apparatus using member to be heated
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11378899B1Jul 5, 2022
Thermally conductive pipe, thermal processing device, and processing system
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11334010B2May 17, 2022
Heating device, fixing device, and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11106165B1Aug 31, 2021
Heating device and apparatus using member to be heated
FUJIFILM BUSINESS INNOVATION CORP1 citations62
US11092918B1Aug 17, 2021
Heating device and image forming apparatus including heat pipe having flat outer surface
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11092919B1Aug 17, 2021
Heating device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11048194B2Jun 29, 2021
Fixing device, image forming apparatus, and heat- conducting multilayer body
FUJIFILM BUSINESS INNOVATION CORP0 citations52
US11687019B2Jun 27, 2023
Fixing device and image forming apparatus
FUJIFILM BUSINESS INNOVATION CORP0 citations51
FUJI XEROX CO LTD
13 patentsUS10942479B1Mar 9, 2021
Fixing device and image forming apparatus
FUJI XEROX CO LTD2 citations73
US10578998B1Mar 3, 2020
Fixing device and image forming apparatus
FUJI XEROX CO LTD5 citations73
US10268146B2Apr 23, 2019
Fixing device and image forming apparatus
FUJI XEROX CO LTD2 citations73
US11016427B1May 25, 2021
Heating device, fixing device, and image forming apparatus
FUJI XEROX CO LTD1 citations62
US10969720B1Apr 6, 2021
Heating device, fixing device, and image forming apparatus
FUJI XEROX CO LTD1 citations62
US10962910B1Mar 30, 2021
Heating member for fixing device and image forming apparatus
FUJI XEROX CO LTD0 citations62
US10168648B2Jan 1, 2019
Fixing device and image forming apparatus
FUJI XEROX CO LTD0 citations52
US9423738B1Aug 23, 2016
Heat generating unit, fixing unit, and image forming apparatus having a thermal destruction element
FUJI XEROX CO LTD1 citations52
US9395665B2Jul 19, 2016
Heating device, fixing device, and image forming apparatus
FUJI XEROX CO LTD0 citations51
US10591852B1Mar 17, 2020
Fixing device and image forming apparatus
FUJI XEROX CO LTD0 citations42
US9933732B2Apr 3, 2018
Fixing device and image forming apparatus
FUJI XEROX CO LTD0 citations42
US9482999B2Nov 1, 2016
Heating device, fixing device, and image forming apparatus
FUJI XEROX CO LTD0 citations41
US9523950B1Dec 20, 2016
Heating device, fixing device, image forming apparatus, and base material for heating device
FUJI XEROX CO LTD0 citations40