Inventor · disambiguated record
Masanari Morioka
Also filed as: MORIOKA MASANARI
121 granted patents·9 pending applications·3,136 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
130 records- 0199US9886002B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2016·Granted Feb 6, 2018·20 cites·10 claims
- 0299US9874846B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2017·Granted Jan 23, 2018·21 cites·12 claims
- 0399US9874854B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2017·Granted Jan 23, 2018·21 cites·30 claims
- 0499US9869960B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2017·Granted Jan 16, 2018·23 cites·24 claims
- 0599US9864333B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Jan 9, 2018·21 cites·11 claims
- 0699US9864331B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2017·Granted Jan 9, 2018·21 cites·30 claims
- 0799US9857764B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Jan 2, 2018·21 cites·22 claims
- 0899US9857765B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Jan 2, 2018·23 cites·19 claims
- 0999US9857766B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2016·Granted Jan 2, 2018·19 cites·15 claims
- 1099US9851685B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2016·Granted Dec 26, 2017·19 cites·16 claims
- 1199US9851688B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2017·Granted Dec 26, 2017·19 cites·28 claims
- 1299US9846408B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Dec 19, 2017·25 cites·11 claims
- 1399US9841729B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Dec 12, 2017·23 cites·32 claims
- 1499US9841727B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2017·Granted Dec 12, 2017·21 cites·27 claims
- 1599US9841728B2Process cartridge having changeable relative positioning of a coupling member and another part of the process cartridgeCANON KK·Filed 2017·Granted Dec 12, 2017·21 cites·28 claims
- 1699US9841724B2Image forming apparatus cartridge having changeable relative positioning of a coupling member and another part of the image forming apparatus cartridgeCANON KK·Filed 2017·Granted Dec 12, 2017·18 cites·28 claims
- 1799US9836015B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2017·Granted Dec 5, 2017·21 cites·18 claims
- 1899US9836021B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Dec 5, 2017·19 cites·20 claims
- 1999US9817333B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2016·Granted Nov 14, 2017·23 cites·26 claims
- 2099US9746826B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Aug 29, 2017·34 cites·9 claims
- 2199US9733614B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2016·Granted Aug 15, 2017·33 cites·2 claims
- 2299US9684261B2Cartridge, and electrophotographic image forming apparatus which uses cartridgeCANON KK·Filed 2013·Granted Jun 20, 2017·33 cites·1 claims
- 2399US9678471B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2013·Granted Jun 13, 2017·22 cites·122 claims
- 2499US9213306B2Cartridge and image forming apparatusCANON KK·Filed 2015·Granted Dec 15, 2015·47 cites·20 claims
- 2599US9176468B2Rotational force transmitting partCANON KK·Filed 2013·Granted Nov 3, 2015·26 cites·30 claims
- 2699US8682215B1Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2013·Granted Mar 25, 2014·93 cites·30 claims
- 2799US8676090B1Rotational force transmitting partCANON KK·Filed 2013·Granted Mar 18, 2014·112 cites·8 claims
- 2899US8630564B2Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitUENO TAKAHITO·Filed 2012·Granted Jan 14, 2014·58 cites·311 claims
- 2999US8532533B2Rotational force transmitting partCANON KK·Filed 2012·Granted Sep 10, 2013·25 cites·19 claims
- 3099US8452210B2Rotational force transmitting partUENO TAKAHITO·Filed 2012·Granted May 28, 2013·29 cites·120 claims
- 3199US8295734B2Rotational force transmitting partsUENO TAKAHITO·Filed 2007·Granted Oct 23, 2012·47 cites·95 claims
- 3299US8280278B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitUENO TAKAHITO·Filed 2007·Granted Oct 2, 2012·60 cites·275 claims
- 3399US8275286B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitUENO TAKAHITO·Filed 2010·Granted Sep 25, 2012·33 cites·33 claims
- 3499US7200349B2Parts, and part supplying methodsCANON KK·Filed 2003·Granted Apr 3, 2007·174 cites·11 claims
- 3599US7079787B2Parts, and part supplying methodsCANON KK·Filed 2003·Granted Jul 18, 2006·162 cites·1 claims
- 3699US6937832B2Process cartridge, mountable to an image forming apparatus, having first contact portion to be guided by a guide when mounted and second contact portion to limit cartridge rotation or movement when mounted, and image forming apparatus mounting such a process cartridgeCANON KK·Filed 2003·Granted Aug 30, 2005·169 cites·21 claims
- 3799US6898399B2Electrophotographic photosensitive drum process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted May 24, 2005·166 cites·17 claims
- 3899US6714746B2Image forming apparatus rotationally driving image bearing member and contact electrifying member of process cartridge and process cartridge comprising image bearing member and contact electrifying memberCANON KK·Filed 2002·Granted Mar 30, 2004·129 cites·42 claims
- 3998US11237517B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2020·Granted Feb 1, 2022·3 cites·25 claims
- 4098US10539924B2Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unitCANON KK·Filed 2019·Granted Jan 21, 2020·7 cites·12 claims
- 4198US10168665B2Cartridge, and electrophotographic image forming apparatus which uses cartridgeCANON KK·Filed 2017·Granted Jan 1, 2019·15 cites·90 claims
- 4298US9939776B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberCANON KK·Filed 2017·Granted Apr 10, 2018·8 cites·28 claims
- 4398US8688004B2Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unitCANON KK·Filed 2012·Granted Apr 1, 2014·22 cites·20 claims
- 4498US8472840B2Process cartridge with drum flange having regulated portionsABE DAISUKE·Filed 2012·Granted Jun 25, 2013·42 cites·6 claims
- 4598US8437669B2Electrophotographic image forming apparatus, developing apparatus, and coupling memberMORIOKA MASANARI·Filed 2008·Granted May 7, 2013·46 cites·322 claims
- 4698US8369744B2Process cartridge including a photosensitive drum for an electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Feb 5, 2013·42 cites·6 claims
- 4798US8270876B2Process cartridge and electrophotographic photosensitive drum unitMORIOKA MASANARI·Filed 2009·Granted Sep 18, 2012·67 cites·24 claims
- 4898US8135304B2Process cartridge having regulating portions and an inclineable coupling memberABE DAISUKE·Filed 2008·Granted Mar 13, 2012·43 cites·7 claims
- 4998US7127192B2Developing frame and process cartridgeCANON KK·Filed 2004·Granted Oct 24, 2006·116 cites·8 claims
- 5098US6963706B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Nov 8, 2005·144 cites·10 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →