Inventor · disambiguated record
Atsushi Uematsu
Also filed as: UEMATSU ATSUSHI
19 granted patents·7 pending applications·130 citations·filing 2010–2025
93Inventor score
Top patents by PatentIndex Score
26 records- 0197US9274442B2Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusionCANON KK·Filed 2015·Granted Mar 1, 2016·31 cites·14 claims
- 0296US11619890B2Electro-conductive member, manufacturing method thereof, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted Apr 4, 2023·3 cites·7 claims
- 0395US9448502B2Charging member, process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Sep 20, 2016·12 cites·12 claims
- 0495US9098006B2Roller member for electrophotography, process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Aug 4, 2015·13 cites·15 claims
- 0595US9075333B2Charging member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2014·Granted Jul 7, 2015·13 cites·10 claims
- 0694US9599914B2Electrophotographic member having bow-shaped resin particles defining concavity and protrusion at surface thereofCANON KK·Filed 2016·Granted Mar 21, 2017·12 cites·6 claims
- 0794US9411307B2Process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Aug 9, 2016·10 cites·11 claims
- 0893US11644761B2Electrophotographic roller, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted May 9, 2023·4 cites·12 claims
- 0993US10025216B2Charging member with electro-conductive elastic layer having exposed bowl-shaped resin particles, process cartridge and electrophotographic apparatusCANON KK·Filed 2016·Granted Jul 17, 2018·8 cites·6 claims
- 1092US11835878B2Electrophotographic roller, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2023·Granted Dec 5, 2023·2 cites·16 claims
- 1189US9291936B2Image-forming apparatus with electro-conductive resin layer having resin particles and process cartridgeCANON KK·Filed 2014·Granted Mar 22, 2016·5 cites·4 claims
- 1288US10248042B2Electrophotographic roller, process cartridge and electrophotographic apparatusCANON KK·Filed 2018·Granted Apr 2, 2019·5 cites·15 claims
- 1388US9678452B2Roller for electrophotography, process cartridge, and image-forming apparatusCANON KK·Filed 2016·Granted Jun 13, 2017·4 cites·10 claims
- 1487US12032331B2Electroconductive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2023·Granted Jul 9, 2024·2 cites·20 claims
- 1582US9335650B2Image forming apparatus and process cartridge utilizing a porous charging memberCANON KK·Filed 2014·Granted May 10, 2016·3 cites·16 claims
- 1682US9304429B2Charging member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Apr 5, 2016·2 cites·5 claims
- 1772US2025314988A1Electrophotographic member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1872US2025314986A1Electrophotographic member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 1972US2025314987A1Electrophotographic member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2060US12498646B2Electrophotographic conductive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2024·Granted Dec 16, 2025·0 cites·14 claims
- 2158US2024343571A1Active oxygen supply deviceCANON KK·Filed 2024·Application pending·0 cites
- 2258US2024349416A1Device for treatment with activated oxyegen and method for treatment with activated oxygenCANON KK·Filed 2024·Application pending·0 cites
- 2358US2024343572A1Treatment apparatus using reactive oxygen and treatment method using reactive oxygenCANON KK·Filed 2024·Application pending·0 cites
- 2458US2024342337A1Gas treatment device and gas treatment methodCANON KK·Filed 2024·Application pending·0 cites
- 2557US12493251B2Electrophotographic member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2024·Granted Dec 9, 2025·0 cites·14 claims
- 2657US8446650B2Document conveying device and document reading apparatus the sameUCHIDA TORU·Filed 2010·Granted May 21, 2013·1 cites·15 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →