Inventor
ASANUMA NAOYA
JP52 patents
⚠️ This page may combine multiple inventors who share the name “ASANUMA NAOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
44 patentsUS8369744B2Feb 5, 2013
Process cartridge including a photosensitive drum for an electrophotographic image forming apparatus
CANON KK42 citations98
USD863419SOct 15, 2019
Flange coupling for process cartridge for image forming apparatus
CANON KK34 citations94
USD845384SApr 9, 2019
Process cartridge for image forming apparatus
CANON KK17 citations94
US8688004B2Apr 1, 2014
Process cartridge, electrophotographic image forming apparatus and electrophotographic photosensitive drum unit
CANON KK22 citations92
USD632731SFeb 15, 2011
Process cartridge
CANON KK31 citations92
USD614691SApr 27, 2010
Process cartridge
CANON KK29 citations92
US11294299B2Apr 5, 2022
Cartridge used in image forming apparatus
CANON KK6 citations86
US11112753B2Sep 7, 2021
Cartridge with a sheet to remove matter from a surface of a photosensitive drum
CANON KK7 citations84
US10228635B2Mar 12, 2019
Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
CANON KK7 citations83
US10037000B2Jul 31, 2018
Cartridge
CANON KK8 citations83
US9857730B2Jan 2, 2018
Developer container, developing apparatus, process cartridge, apparatus main body, and image forming apparatus
CANON KK9 citations83
US9651916B2May 16, 2017
Cartridge having storing medium and image forming apparatus using the cartridge
CANON KK18 citations83
US11709438B2Jul 25, 2023
Cartridge used in image forming apparatus
CANON KK4 citations75
US12153355B2Nov 26, 2024
Cartridge used in image forming apparatus
CANON KK1 citations73
US11480916B2Oct 25, 2022
Cartridge having toner removing sheet in contact with photosensitive drum
CANON KK3 citations73
US11435689B2Sep 6, 2022
Cartridge
CANON KK3 citations73
US11209773B2Dec 28, 2021
Cartridge and image forming apparatus
CANON KK2 citations73
USD889415SJul 7, 2020
Process cartridge for image forming apparatus
CANON KK2 citations73
USD862585SOct 8, 2019
Side cover for process cartridge for image forming apparatus
CANON KK2 citations73
USD862586SOct 8, 2019
Photosensitive drum for process cartridge for image forming apparatus
CANON KK2 citations73
US10928751B2Feb 23, 2021
Remanufacturing method for developing apparatus and cartridge
CANON KK3 citations71
US12204263B2Jan 21, 2025
Developer accommodating device, developing device, cartridge and image forming apparatus
CANON KK1 citations64
US12487556B2Dec 2, 2025
Cartridge and image forming apparatus
CANON KK0 citations63
US12158722B2Dec 3, 2024
Cartridge and image forming apparatus
CANON KK0 citations63
US11733644B2Aug 22, 2023
Cartridge and image forming apparatus
CANON KK0 citations63
US12554214B2Feb 17, 2026
Developing cartridge having a sheet member provided at end portion of a developing roller
CANON KK0 citations62
US12405565B2Sep 2, 2025
Cartridge including a developer storage unit for storing developer
CANON KK0 citations62
US11841647B2Dec 12, 2023
Cartridge and developing cartridge including a frame and sheet member provided at end side of the frame
CANON KK0 citations62
US11782360B2Oct 10, 2023
Developer accommodating device, developing device, cartridge and image forming apparatus
CANON KK0 citations62
US11762326B2Sep 19, 2023
Cartridge
CANON KK1 citations62
USD993925SAug 1, 2023
Process cartridge for image forming apparatus
CANON KK0 citations62
USD862584SOct 8, 2019
Side cover for process cartridge for image forming apparatus
CANON KK1 citations62
US12461468B2Nov 4, 2025
Toner cartridge having feeding member and pump for discharging toner
CANON KK0 citations61
US11982952B2May 14, 2024
Toner cartridge having feeding member and pump for discharging pump
CANON KK0 citations61
US11199808B2Dec 14, 2021
Image forming unit and image forming apparatus
CANON KK0 citations52
US10895825B2Jan 19, 2021
Developer accommodating container, developing device and process cartridge
CANON KK0 citations52
US10551767B2Feb 4, 2020
Manufacturing method for developer container, developer container, developing apparatus, and process cartridge
CANON KK0 citations52
USD862587SOct 8, 2019
Coupling for process cartridge for image forming apparatus
CANON KK0 citations52
US10401786B2Sep 3, 2019
Image forming apparatus and cartridge used for the same
CANON KK0 citations52
US9996050B2Jun 12, 2018
Image forming apparatus and cartridge used for the same
CANON KK0 citations52
US9946195B2Apr 17, 2018
Developer container developing device process cartridge and image forming apparatus
CANON KK0 citations52
US9846386B2Dec 19, 2017
Developer container, developing device, process cartridge, and image forming apparatus
CANON KK0 citations52
US9684278B2Jun 20, 2017
Image forming apparatus and process for supporting cartridge used for the same
CANON KK0 citations52
US10474059B2Nov 12, 2019
Developing unit and process cartridge
CANON KK0 citations42
ASANUMA NAOYA
3 patentsUS8121517B2Feb 21, 2012
Process cartridge, electrophotographic image forming apparatus and electrographic photosensitive drum unit
ASANUMA NAOYA27 citations91
US8326185B2Dec 4, 2012
Developing device having stirring portion with a sweeping edge to carry developer
ASANUMA NAOYA16 citations83
US8583005B2Nov 12, 2013
Process cartridge and image forming apparatus
ASANUMA NAOYA1 citations51
MORIOKA MASANARI
1 patentABE DAISUKE
1 patentBATORI YOSHIYUKI
1 patentShowing the top 50 of 52 patents by PatentIndex Score.