Inventor · disambiguated record
Norifumi Muranaka
Also filed as: MURANAKA NORIFUMI
21 granted patents·8 pending applications·671 citations·filing 2005–2025
97Inventor score
Top patents by PatentIndex Score
29 records- 0198US10018927B2Electroconductive member for electrophotography, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Jul 10, 2018·29 cites·10 claims
- 0298US9958802B2Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted May 1, 2018·30 cites·9 claims
- 0398US9547250B2Electroconductive member for electrophotography, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Jan 17, 2017·37 cites·13 claims
- 0498US9541854B2Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Jan 10, 2017·35 cites·9 claims
- 0598US9146482B2Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Sep 29, 2015·37 cites·7 claims
- 0698US9128403B2Electrophotographic electrically conductive memberCANON KK·Filed 2014·Granted Sep 8, 2015·34 cites·7 claims
- 0798US8852743B2Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2013·Granted Oct 7, 2014·40 cites·10 claims
- 0898US8771818B2Electrically conducting member for electrophotography, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Jul 8, 2014·39 cites·7 claims
- 0998US8715830B2Electrically conducting member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2013·Granted May 6, 2014·38 cites·8 claims
- 1098US8628854B2Electro-conductive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2013·Granted Jan 14, 2014·40 cites·11 claims
- 1197US11307509B2Electro-conductive member, method for producing same, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Apr 19, 2022·8 cites·8 claims
- 1297US9811021B2Conductive memberCANON KK·Filed 2015·Granted Nov 7, 2017·31 cites·6 claims
- 1397US9551949B2Electroconductive member for electrophotography, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Jan 24, 2017·36 cites·8 claims
- 1496US9651888B2Electroconductive member with a surface layer including a porous body having a continuous open poreCANON KK·Filed 2014·Granted May 16, 2017·33 cites·10 claims
- 1596US8668987B2Electrophotographic electrically conductive memberYAMAUCHI KAZUHIRO·Filed 2012·Granted Mar 11, 2014·35 cites·5 claims
- 1695US9086643B2Ionic electro-conductive resin and electro-conductive member for electrophotographyKIKUCHI YUICHI·Filed 2012·Granted Jul 21, 2015·38 cites·9 claims
- 1795US9023465B2Electroconductive member, process cartridge and electrophotographic image forming apparatusYAMADA SATORU·Filed 2011·Granted May 5, 2015·37 cites·8 claims
- 1894US8449975B2Electroconductive member, process cartridge and electrophotographic apparatusHIRAKOSO YUKA·Filed 2011·Granted May 28, 2013·40 cites·5 claims
- 1994US8298670B2Electro-conductive member for electrophotography, process cartridge, and electrophotographic apparatusMURANAKA NORIFUMI·Filed 2011·Granted Oct 30, 2012·39 cites·5 claims
- 2093US10996581B2Conductive memberCANON KK·Filed 2017·Granted May 4, 2021·7 cites·6 claims
- 2190US10012924B2Electrophotographic electro-conductive member having a dual rubber elastic layer, method of producing the same, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Jul 3, 2018·8 cites·10 claims
- 2258US2025243314A1Molded article, elastic body, and strain sensorCANON KK·Filed 2025·Application pending·0 cites
- 2356US2025164902A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2456US2025138445A1Electrophotographic apparatus and process cartridgeCANON KK·Filed 2024·Application pending·0 cites
- 2556US2025164901A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2653US2012251171A1Conductive memberMURANAKA NORIFUMI·Filed 2012·Application pending·0 cites
- 2745US2015093517A1Method of producing electroconductive member for electrophotographyCANON KK·Filed 2014·Application pending·0 cites
- 2840US2006226572A1Electrophotographic endless belt, electrophotographic apparatus, and process for producing electrophotographic endless beltCANON KK·Filed 2005·Application pending·0 cites
- 2938US2012308261A1Conductive member, process cartridge, and electrophotographic apparatusTSURU SEIJI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →