Inventor · disambiguated record
Naoya Asanuma
Also filed as: ASANUMA NAOYA
51 granted patents·7 pending applications·412 citations·filing 2008–2025
98Inventor score
Technology areasG03G
Top patents by PatentIndex Score
58 records- 0198US11709438B2Cartridge used in image forming apparatusCANON KK·Filed 2022·Granted Jul 25, 2023·4 cites·14 claims
- 0298US8688004B2Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unitCANON KK·Filed 2012·Granted Apr 1, 2014·22 cites·20 claims
- 0398US8369744B2Process cartridge including a photosensitive drum for an electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Feb 5, 2013·42 cites·6 claims
- 0498US8270876B2Process cartridge and electrophotographic photosensitive drum unitMORIOKA MASANARI·Filed 2009·Granted Sep 18, 2012·67 cites·24 claims
- 0596US11480916B2Cartridge having toner removing sheet in contact with photosensitive drumCANON KK·Filed 2021·Granted Oct 25, 2022·3 cites·8 claims
- 0696US11112753B2Cartridge with a sheet to remove matter from a surface of a photosensitive drumCANON KK·Filed 2019·Granted Sep 7, 2021·7 cites·17 claims
- 0796US8139972B2Process cartridge and electrophotographic image forming apparatusABE DAISUKE·Filed 2009·Granted Mar 20, 2012·26 cites·16 claims
- 0896US8121517B2Process cartridge, electrophotographic image forming apparatus and electrographic photosensitive drum unitASANUMA NAOYA·Filed 2009·Granted Feb 21, 2012·27 cites·27 claims
- 0995US11294299B2Cartridge used in image forming apparatusCANON KK·Filed 2019·Granted Apr 5, 2022·6 cites·10 claims
- 1095US9651916B2Cartridge having storing medium and image forming apparatus using the cartridgeCANON KK·Filed 2015·Granted May 16, 2017·18 cites·36 claims
- 1194US12153355B2Cartridge used in image forming apparatusCANON KK·Filed 2023·Granted Nov 26, 2024·1 cites·9 claims
- 1294US11435689B2CartridgeCANON KK·Filed 2020·Granted Sep 6, 2022·3 cites·15 claims
- 1394US10037000B2CartridgeCANON KK·Filed 2017·Granted Jul 31, 2018·8 cites·11 claims
- 1494US9857730B2Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatusCANON KK·Filed 2016·Granted Jan 2, 2018·9 cites·19 claims
- 1593US12204263B2Developer accommodating device, developing device, cartridge and image forming apparatusCANON KK·Filed 2023·Granted Jan 21, 2025·1 cites·21 claims
- 1693US10228635B2Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatusCANON KK·Filed 2017·Granted Mar 12, 2019·7 cites·18 claims
- 1793US8081898B2Process cartridge and method for removing processing means from process cartridgeBATORI YOSHIYUKI·Filed 2008·Granted Dec 20, 2011·20 cites·3 claims
- 1892US8326185B2Developing device having stirring portion with a sweeping edge to carry developerASANUMA NAOYA·Filed 2009·Granted Dec 4, 2012·16 cites·15 claims
- 1992US2025334924A1Cartridge and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2091US11762326B2CartridgeCANON KK·Filed 2022·Granted Sep 19, 2023·1 cites·9 claims
- 2190US11209773B2Cartridge and image forming apparatusCANON KK·Filed 2020·Granted Dec 28, 2021·2 cites·17 claims
- 2290USD863419SFlange coupling for process cartridge for image forming apparatusCANON KK·Filed 2018·Granted Oct 15, 2019·34 cites·1 claims
- 2388US10928751B2Remanufacturing method for developing apparatus and cartridgeCANON KK·Filed 2019·Granted Feb 23, 2021·3 cites·24 claims
- 2486US12487556B2Cartridge and image forming apparatusCANON KK·Filed 2024·Granted Dec 2, 2025·0 cites·9 claims
- 2585USD632731SProcess cartridgeCANON KK·Filed 2009·Granted Feb 15, 2011·31 cites·1 claims
- 2685US2025044721A1Cartridge used in image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2783US12158722B2Cartridge and image forming apparatusCANON KK·Filed 2023·Granted Dec 3, 2024·0 cites·13 claims
- 2883USD614691SProcess cartridgeCANON KK·Filed 2009·Granted Apr 27, 2010·29 cites·1 claims
- 2982US2025053119A1Developer accommodating device, developing device, cartridge and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3080US12405565B2Cartridge including a developer storage unit for storing developerCANON KK·Filed 2023·Granted Sep 2, 2025·0 cites·8 claims
- 3180US2025370402A1Image forming apparatus and cartridge setCANON KK·Filed 2025·Application pending·0 cites
- 3278US11841647B2Cartridge and developing cartridge including a frame and sheet member provided at end side of the frameCANON KK·Filed 2022·Granted Dec 12, 2023·0 cites·11 claims
- 3377USD845384SProcess cartridge for image forming apparatusCANON KK·Filed 2017·Granted Apr 9, 2019·17 cites·1 claims
- 3476US11733644B2Cartridge and image forming apparatusCANON KK·Filed 2021·Granted Aug 22, 2023·0 cites·18 claims
- 3575US11782360B2Developer accommodating device, developing device, cartridge and image forming apparatusCANON KK·Filed 2022·Granted Oct 10, 2023·0 cites·16 claims
- 3674US12461468B2Toner cartridge having feeding member and pump for discharging tonerCANON KK·Filed 2023·Granted Nov 4, 2025·0 cites·20 claims
- 3767US11982952B2Toner cartridge having feeding member and pump for discharging pumpCANON KK·Filed 2021·Granted May 14, 2024·0 cites·51 claims
- 3866US10401786B2Image forming apparatus and cartridge used for the sameCANON KK·Filed 2018·Granted Sep 3, 2019·0 cites·10 claims
- 3966US8583005B2Process cartridge and image forming apparatusASANUMA NAOYA·Filed 2011·Granted Nov 12, 2013·1 cites·11 claims
- 4064US9996050B2Image forming apparatus and cartridge used for the sameCANON KK·Filed 2017·Granted Jun 12, 2018·0 cites·12 claims
- 4164US9946195B2Developer container developing device process cartridge and image forming apparatusCANON KK·Filed 2017·Granted Apr 17, 2018·0 cites·20 claims
- 4262US2014112686A1Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unitCANON KK·Filed 2013·Application pending·0 cites
- 4361US9846386B2Developer container, developing device, process cartridge, and image forming apparatusCANON KK·Filed 2016·Granted Dec 19, 2017·0 cites·22 claims
- 4460US9684278B2Image forming apparatus and process for supporting cartridge used for the sameCANON KK·Filed 2015·Granted Jun 20, 2017·0 cites·10 claims
- 4557US2025110423A1Toner cartridge, developing cartridge, image forming apparatus and toner discharging memberCANON KK·Filed 2024·Application pending·0 cites
- 4655US10551767B2Manufacturing method for developer container, developer container, developing apparatus, and process cartridgeCANON KK·Filed 2017·Granted Feb 4, 2020·0 cites·6 claims
- 4753US11199808B2Image forming unit and image forming apparatusCANON KK·Filed 2020·Granted Dec 14, 2021·0 cites·13 claims
- 4852US10678164B2Developer container, developing device and process cartridgeCANON KK·Filed 2019·Granted Jun 9, 2020·0 cites·12 claims
- 4949US10895825B2Developer accommodating container, developing device and process cartridgeCANON KK·Filed 2019·Granted Jan 19, 2021·0 cites·10 claims
- 5049US10474059B2Developing unit and process cartridgeCANON KK·Filed 2017·Granted Nov 12, 2019·0 cites·10 claims
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 →