Inventor · disambiguated record
Ryohei Yoshikawa
Also filed as: YOSHIKAWA RYOHEI
20 granted patents·7 pending applications·6 citations·filing 2013–2024
88Inventor score
Top patents by PatentIndex Score
27 records- 0194US10802433B1Fixing member, fixing unit, and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Oct 13, 2020·4 cites·13 claims
- 0279US12197156B2Polymer film, tubular fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Jan 14, 2025·0 cites·20 claims
- 0377US12253815B2Endless belt, fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Mar 18, 2025·0 cites·20 claims
- 0477US11327425B2Fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted May 10, 2022·1 cites·21 claims
- 0573US12474656B2Film, tubular fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Granted Nov 18, 2025·0 cites·17 claims
- 0673US2025230299A1Molded body, composite, tubular fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 0771US12174571B2Fixing belt including layer of polyimide and specific filler, fixing device including the fixing belt, and image forming apparatus including the fixing deviceFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Dec 24, 2024·0 cites·20 claims
- 0869US12259671B2Resin belt, fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Mar 25, 2025·0 cites·10 claims
- 0969US2024411250A1Sliding member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1069US2023251754A1Image distribution method, image distribution server device and chat systemGREE INC·Filed 2023·Application pending·0 cites
- 1168US12117752B2Resin belt for image forming apparatus, fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Oct 15, 2024·0 cites·15 claims
- 1267US12105455B2Sliding member for fixing device, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Oct 1, 2024·0 cites·20 claims
- 1366US11644776B1Endless belt, fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted May 9, 2023·0 cites·16 claims
- 1465US11796946B2Belt having an aggregate with entagled and non-entangled fibrous carbonsFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 24, 2023·0 cites·20 claims
- 1565US11531295B1Fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 20, 2022·0 cites·19 claims
- 1665US11169655B2Image distribution method, image distribution server device and chat systemGREE INC·Filed 2013·Granted Nov 9, 2021·1 cites·15 claims
- 1764US11662877B2Image distribution method, image distribution server device and chat systemGREE INC·Filed 2021·Granted May 30, 2023·0 cites·12 claims
- 1864US11334006B1Transfer device, image forming apparatus, and endless beltFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted May 17, 2022·0 cites·20 claims
- 1963US11774885B2Polymer material molded product, fixing member, method for producing fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Oct 3, 2023·0 cites·22 claims
- 2063US11537073B2Fixing belt, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 27, 2022·0 cites·20 claims
- 2163US2024327584A1Polymer film, laminated film, tubular fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 2261US2025277098A1Composition film and heat radiating memberFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2357US11067928B2Fixing member, fixing unit, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jul 20, 2021·0 cites·11 claims
- 2452US12111590B2Fixing device having reduced increase in rotational torque of second rotatable member providing an image with reduced unevenness in gloss to be formed and image forming apparatus using the sameFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 2552US10990048B1Fixing belt, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Apr 27, 2021·0 cites·13 claims
- 2651US2025102974A1Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2749US2024327605A1Composition, molded article, fixing member, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ryohei Yoshikawa 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 →