Inventor · disambiguated record
Ryosuke Fujii
Also filed as: FUJII RYOSUKE · KIKUCHI MINORU
30 granted patents·28 pending applications·114 citations·filing 1979–2024
94Inventor score
Files withFUJIFILM BUSINESS INNOVATION CORP25KAO CORP10FUJI XEROX CO LTD5SUMITOMO RUBBER IND3YOKOWO SEISAKUSHO KK3
Top patents by PatentIndex Score
58 records- 0193US8141517B2Expandable pet penSHIMODA NAOKI·Filed 2007·Granted Mar 27, 2012·70 cites·4 claims
- 0292US10705441B1Electrophotographic photoreceptor, process cartridge, and image-forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Jul 7, 2020·7 cites·15 claims
- 0390US11892780B1Image forming apparatus and process cartridgeFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Feb 6, 2024·2 cites·9 claims
- 0484US11048181B2Electrophotographic photoreceptor, process cartridge, and image-forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jun 29, 2021·2 cites·14 claims
- 0582US7858567B2Skin cleansing compositionsKAO CORP·Filed 2008·Granted Dec 28, 2010·2 cites·21 claims
- 0681US10039702B2Cleansing composition for skin or hairKAO CORP·Filed 2013·Granted Aug 7, 2018·2 cites·28 claims
- 0779US11195697B2Plasma control apparatusSPP TECH CO LTD·Filed 2017·Granted Dec 7, 2021·3 cites·2 claims
- 0879US11016404B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted May 25, 2021·1 cites·18 claims
- 0978US11884803B2Sheet transport roller rubber composition and sheet transport rollerSUMITOMO RUBBER IND·Filed 2022·Granted Jan 30, 2024·0 cites·5 claims
- 1073US4217762AIce making equipmentTAISEI CORP·Filed 1979·Granted Aug 19, 1980·24 cites·25 claims
- 1172US11958707B2Sheet transport roller rubber composition and sheet transport rollerSUMITOMO RUBBER IND·Filed 2022·Granted Apr 16, 2024·0 cites·10 claims
- 1272US2024248419A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 1370US10890854B2Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compoundFUJI XEROX CO LTD·Filed 2019·Granted Jan 12, 2021·0 cites·8 claims
- 1469US11693329B2Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Jul 4, 2023·0 cites·15 claims
- 1569US11333987B2Fluorine-containing resin particle, composition, layer-shaped article, electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted May 17, 2022·0 cites·14 claims
- 1669US2024002648A1Sheet conveyance roller rubber composition and sheet conveyance rollerSUMITOMO RUBBER IND·Filed 2023·Application pending·0 cites
- 1768US10641386B2Automatic transmission control deciceJATCO LTD·Filed 2016·Granted May 5, 2020·1 cites·4 claims
- 1866US10514621B2Electrophotographic photoreceptor, process cartridge, image forming apparatus, and imide compoundFUJI XEROX CO LTD·Filed 2018·Granted Dec 24, 2019·0 cites·9 claims
- 1966US2025183462A1Energy storage apparatusGS YUASA INT LTD·Filed 2023·Application pending·0 cites
- 2064US10663897B2Fixing member, method for producing fixing member, fixing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted May 26, 2020·0 cites·14 claims
- 2159US10459389B2Image forming apparatusKONICA MINOLTA INC·Filed 2019·Granted Oct 29, 2019·0 cites·12 claims
- 2258US7435710B2Detergent composition comprising a sub-stoichiometric alkoxylated phosphate esterKAO CORP·Filed 2007·Granted Oct 14, 2008·0 cites·9 claims
- 2356US11099492B2Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Aug 24, 2021·0 cites·14 claims
- 2454US2024115528A1Composition for external applicationKAO CORP·Filed 2022·Application pending·0 cites
- 2553US11066543B2Dispersant attached polytetrafluoroethylene particle, composition, layered material, electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2019·Granted Jul 20, 2021·0 cites·20 claims
- 2653US2025264819A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2753US2025264818A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 2853US2025038498A1AssemblyYOKOWO SEISAKUSHO KK·Filed 2022·Application pending·0 cites
- 2953US2025244688A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3052US9456977B2Cationized glycerolated celluloseKAO CORP·Filed 2013·Granted Oct 4, 2016·0 cites·20 claims
- 3152US2024419091A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3252US2024411236A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3351US9868793B2Cationic group-containing cellulose etherKAO CORP·Filed 2014·Granted Jan 16, 2018·0 cites·15 claims
- 3451US7183244B2Detergent compositions comprising a mixture of phosphate estersKAO CORP·Filed 2004·Granted Feb 27, 2007·0 cites·12 claims
- 3550US12117741B1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Granted Oct 15, 2024·0 cites·20 claims
- 3650US2024411237A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 3750US2024288788A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 3849US9458249B2Cellulose ether containing cationic groupKAO CORP·Filed 2013·Granted Oct 4, 2016·0 cites·20 claims
- 3949US2024036487A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4049US2024077809A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4149US2014076345A1Cleansing composition for skin or hairKAO CORP·Filed 2012·Application pending·0 cites
- 4249US2024036488A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4349US2024053689A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4449US2024388012A1Vehicular antenna deviceYOKOWO SEISAKUSHO KK·Filed 2022·Application pending·0 cites
- 4548US2023288824A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4648US2023280668A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4747US9874844B2Image forming system and image forming apparatusKONICA MINOLTA INC·Filed 2016·Granted Jan 23, 2018·0 cites·21 claims
- 4847US2023266683A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
- 4947US2023195003A1Electrophotographic photoreceptor, process cartridge, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Application pending·0 cites
- 5047US2023266684A1Image forming unit and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2023·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →