Inventor · disambiguated record
Akihiro Maruyama
Also filed as: MARUYAMA AKIHIRO
41 granted patents·14 pending applications·387 citations·filing 1989–2024
97Inventor score
Top patents by PatentIndex Score
55 records- 0197US9726992B2Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2016·Granted Aug 8, 2017·33 cites·12 claims
- 0297US9599917B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Mar 21, 2017·34 cites·6 claims
- 0397US9436107B2Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layerCANON KK·Filed 2013·Granted Sep 6, 2016·29 cites·13 claims
- 0497US9280071B2Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layerCANON KK·Filed 2013·Granted Mar 8, 2016·30 cites·11 claims
- 0597US9274442B2Electrophotographic 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
- 0696US8795936B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusSEKIDO KUNIHIKO·Filed 2011·Granted Aug 5, 2014·33 cites·4 claims
- 0796US8465889B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusSEKIDO KUNIHIKO·Filed 2010·Granted Jun 18, 2013·34 cites·11 claims
- 0895US9235144B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted Jan 12, 2016·14 cites·9 claims
- 0995US9034545B2Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted May 19, 2015·15 cites·10 claims
- 1094US9651879B2Electrophotographic photosensitive member, method of producing the electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted May 16, 2017·9 cites·8 claims
- 1194US9507283B2Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Nov 29, 2016·10 cites·11 claims
- 1294US8546050B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusMARUYAMA AKIHIRO·Filed 2011·Granted Oct 1, 2013·38 cites·6 claims
- 1386US9753385B2Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Sep 5, 2017·3 cites·8 claims
- 1482US10164384B2Coaxial connectorHIROSE ELECTRIC CO LTD·Filed 2017·Granted Dec 25, 2018·6 cites·9 claims
- 1581US9864284B2Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Jan 9, 2018·2 cites·7 claims
- 1680US10656542B2Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive memberCANON KK·Filed 2019·Granted May 19, 2020·1 cites·9 claims
- 1774US2024353770A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 1872US12457841B2Photoelectric conversion element and photoelectric conversion device including the photoelectric conversion elementCANON KK·Filed 2022·Granted Oct 28, 2025·0 cites·9 claims
- 1963US5482645ANon-ozone depleting cleaning composition for degreasing and defluxing purposesPURAC BIOCHEM BV·Filed 1994·Granted Jan 9, 1996·29 cites·7 claims
- 2063US5137931AFoamable phenolic resin composition and process for preparation thereofASAHI ORGANIC CHEM IND·Filed 1990·Granted Aug 11, 1992·21 cites·12 claims
- 2161US12326688B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2022·Granted Jun 10, 2025·0 cites·9 claims
- 2260US7775474B2Wire winding apparatusTAGA MFG CO LTD·Filed 2007·Granted Aug 17, 2010·3 cites·20 claims
- 2360US2024049592A1Photoelectric conversion element, and photoelectric conversion module, photoelectric conversion device, movable body, and building material each including photoelectric conversion elementCANON KK·Filed 2023·Application pending·0 cites
- 2460US2023302260A1Guide wire and method of manufacturing guide wireTERUMO CORP·Filed 2023·Application pending·0 cites
- 2559US9564687B2Directive antenna apparatus mounted on a boardSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Feb 7, 2017·1 cites·20 claims
- 2656US11500301B2Electrophotographic photosensitive member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2021·Granted Nov 15, 2022·0 cites·6 claims
- 2756US2025164902A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2856US2025138445A1Electrophotographic apparatus and process cartridgeCANON KK·Filed 2024·Application pending·0 cites
- 2956US2025164901A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3054US11493853B2Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2021·Granted Nov 8, 2022·0 cites·5 claims
- 3154US2024345497A1Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3253US11799405B2Control device for AC rotary machine and control method for AC rotary machineMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Oct 24, 2023·0 cites·20 claims
- 3353US2024345496A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3453US2024345495A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3550US2023408939A1Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2023·Application pending·0 cites
- 3650US2023408938A1Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method of producing electrophotographic photosensitive memberCANON KK·Filed 2023·Application pending·0 cites
- 3749US11947275B2Electrophotographic apparatusCANON KK·Filed 2023·Granted Apr 2, 2024·0 cites·17 claims
- 3848US9091912B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2013·Granted Jul 28, 2015·0 cites·6 claims
- 3947US12353164B2Electrophotographic apparatusCANON KK·Filed 2022·Granted Jul 8, 2025·0 cites·17 claims
- 4047US12326689B2Electrophotographic apparatusCANON KK·Filed 2022·Granted Jun 10, 2025·0 cites·8 claims
- 4146US8927184B2Method of producing electrophotographic photosensitive memberSEKIYA MICHIYO·Filed 2011·Granted Jan 6, 2015·0 cites·5 claims
- 4246US8274435B2Antenna apparatusMARUYAMA AKIHIRO·Filed 2009·Granted Sep 25, 2012·0 cites·20 claims
- 4344US10114301B2Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Oct 30, 2018·0 cites·19 claims
- 4444US8470504B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusSEKIYA MICHIYO·Filed 2010·Granted Jun 25, 2013·0 cites·10 claims
- 4544US2010048266A1Antenna deviceSAMSUNG ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 4643US2014154618A1Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Application pending·0 cites
- 4741US9817326B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Nov 14, 2017·0 cites·9 claims
- 4840US9811008B2Image forming method, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Nov 7, 2017·0 cites·12 claims
- 4940US8507162B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusMARUYAMA AKIHIRO·Filed 2011·Granted Aug 13, 2013·0 cites·7 claims
- 5038US8524431B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusNAGASAKA HIDEAKI·Filed 2010·Granted Sep 3, 2013·0 cites·10 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →