Inventor · disambiguated record
Kiyoshi Koyanagi
Also filed as: KOYANAGI KIYOSHI
26 granted patents·4 pending applications·15 citations·filing 2015–2024
92Inventor score
Top patents by PatentIndex Score
30 records- 0191US10578998B1Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Mar 3, 2020·5 cites·14 claims
- 0289US11624997B2Heating device and apparatus using member to be heatedFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Apr 11, 2023·2 cites·7 claims
- 0386US10942479B1Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Mar 9, 2021·2 cites·17 claims
- 0485US10268146B2Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2017·Granted Apr 23, 2019·2 cites·14 claims
- 0581US11106165B1Heating device and apparatus using member to be heatedFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Aug 31, 2021·1 cites·6 claims
- 0680US11016427B1Heating device, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted May 25, 2021·1 cites·9 claims
- 0780US10969720B1Heating device, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Apr 6, 2021·1 cites·10 claims
- 0874US9423738B1Heat generating unit, fixing unit, and image forming apparatus having a thermal destruction elementFUJI XEROX CO LTD·Filed 2015·Granted Aug 23, 2016·1 cites·5 claims
- 0973US12461479B2Heating device including heat pipeFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Nov 4, 2025·0 cites·2 claims
- 1073US11982493B2Thermally conductive pipe, heat treatment device, and treatment systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted May 14, 2024·0 cites·5 claims
- 1168US11442386B2Heating device and apparatus using member to be heatedFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Sep 13, 2022·0 cites·6 claims
- 1263US12105450B2Heating device and heating-object utilization apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Oct 1, 2024·0 cites·14 claims
- 1362US11703782B2Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jul 18, 2023·0 cites·15 claims
- 1462US11378899B1Thermally conductive pipe, thermal processing device, and processing systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jul 5, 2022·0 cites·20 claims
- 1559US11334010B2Heating device, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted May 17, 2022·0 cites·22 claims
- 1659US10962910B1Heating member for fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Mar 30, 2021·0 cites·15 claims
- 1758US11687019B2Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jun 27, 2023·0 cites·7 claims
- 1857US11092918B1Heating device and image forming apparatus including heat pipe having flat outer surfaceFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Aug 17, 2021·0 cites·19 claims
- 1955US11092919B1Heating device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Aug 17, 2021·0 cites·15 claims
- 2054US11048194B2Fixing device, image forming apparatus, and heat- conducting multilayer bodyFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 29, 2021·0 cites·14 claims
- 2154US10591852B1Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Mar 17, 2020·0 cites·12 claims
- 2254US10168648B2Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2017·Granted Jan 1, 2019·0 cites·18 claims
- 2351US2025036051A1Image forming systemFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2450US2024329577A1Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2549US2024142902A1Heat pipe, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2649US2024231263A9Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2748US9395665B2Heating device, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Jul 19, 2016·0 cites·12 claims
- 2847US9523950B1Heating device, fixing device, image forming apparatus, and base material for heating deviceFUJI XEROX CO LTD·Filed 2016·Granted Dec 20, 2016·0 cites·17 claims
- 2946US9933732B2Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Apr 3, 2018·0 cites·11 claims
- 3044US9482999B2Heating device, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Nov 1, 2016·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Kiyoshi Koyanagi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →