Inventor
SASAKI TERUHIKO
JP76 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI TERUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
46 patentsUS5920753AJul 6, 1999
Process cartridge and electrophotographic image forming apparatus
CANON KK277 citations99
US8369744B2Feb 5, 2013
Process cartridge including a photosensitive drum for an electrophotographic image forming apparatus
CANON KK42 citations98
US6714749B2Mar 30, 2004
Cartridge detachably mountable on image forming apparatus
CANON KK85 citations98
US6336012B1Jan 1, 2002
Developing device, process cartridge and electric energy supply part to developing roller
CANON KK80 citations98
US6178302B1Jan 23, 2001
Developer container seal, developer container, developing apparatus, process cartridge, and image forming apparatus
CANON KK82 citations96
USD622309SAug 24, 2010
Process cartridge
CANON KK19 citations93
US6901229B2May 31, 2005
Driving-force transmitting part, electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus
CANON KK34 citations93
USD462984SSep 17, 2002
Image forming apparatus
CANON KK39 citations93
US6385413B2May 7, 2002
Developing device to which developing voltage is applied from non-driving side
CANON KK24 citations93
US6366746B1Apr 2, 2002
Developing device and electric energy supply part for applying developing bias voltage
CANON KK34 citations93
US6327448B1Dec 4, 2001
Connecting member, process cartridge and electrophotographic image forming apparatus
CANON KK29 citations93
US6141508AOct 31, 2000
Developing apparatus and process cartridge
CANON KK51 citations93
US6137971AOct 24, 2000
End member and process cartridge
CANON KK27 citations93
US6137973AOct 24, 2000
Cleaning apparatus and process cartridge having such cleaning apparatus
CANON KK46 citations93
US10156825B2Dec 18, 2018
Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatus
CANON KK9 citations92
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
USD565094SMar 25, 2008
Image forming apparatus
CANON KK21 citations92
US7194220B2Mar 20, 2007
Process cartridge having cartridge electrical contact connected to a cartridge memory element and connectable to a main assembly electrical contact and image forming apparatus to which such cartridge is mountable
CANON KK31 citations92
US7062195B2Jun 13, 2006
Toner seal member, and process cartridge
CANON KK34 citations90
US11822265B2Nov 21, 2023
Toner container and image forming system
CANON KK6 citations86
US11662673B2May 30, 2023
Toner container having nozzle and projection at bottom of container and image forming system using container
CANON KK7 citations86
US11592766B2Feb 28, 2023
Toner container and image forming system
CANON KK10 citations86
US11029640B1Jun 8, 2021
Process cartridge
CANON KK4 citations84
US9684276B2Jun 20, 2017
Cleaning apparatus, process cartridge and image forming apparatus
CANON KK5 citations84
US9285765B2Mar 15, 2016
Developer supply cartridge with shutter portion for opening and closing a supply opening
CANON KK10 citations84
USD622308SAug 24, 2010
Process cartridge
CANON KK15 citations84
USD474804SMay 20, 2003
Image forming apparatus
CANON KK15 citations84
US11906927B2Feb 20, 2024
Cartridge, drum unit and image forming apparatus
CANON KK3 citations75
USD555717SNov 20, 2007
Image forming apparatus
CANON KK8 citations74
USD475082SMay 27, 2003
Image forming apparatus
CANON KK9 citations74
US6324364B1Nov 27, 2001
Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus
CANON KK11 citations74
US12140884B2Nov 12, 2024
Toner container and image forming system
CANON KK1 citations73
US12038716B2Jul 16, 2024
Cartridge, drum unit and image forming apparatus
CANON KK1 citations73
US12032330B2Jul 9, 2024
Cartridge, drum unit and image forming apparatus
CANON KK1 citations73
US11841668B2Dec 12, 2023
Foreign substance collection apparatus, process cartridge, and image forming apparatus
CANON KK2 citations73
US11314193B2Apr 26, 2022
Foreign substance collection apparatus, process cartridge, and image forming apparatus
CANON KK1 citations73
US10613469B2Apr 7, 2020
Developing apparatus, process cartridge, and image forming apparatus
CANON KK2 citations73
US8873992B2Oct 28, 2014
Process cartridge and electrophotographic image forming apparatus
CANON KK4 citations73
USD881986SApr 21, 2020
Process cartridge for image forming apparatus
CANON KK1 citations72
US12474670B2Nov 18, 2025
Cartridge unit
CANON KK0 citations63
US12449759B2Oct 21, 2025
Cartridge, drum unit and image forming apparatus
CANON KK0 citations63
US12169376B2Dec 17, 2024
Toner cartridge and image forming apparatus
CANON KK1 citations63
US11927913B2Mar 12, 2024
Cartridge unit
CANON KK0 citations63
US11237519B2Feb 1, 2022
Cartridge unit
CANON KK0 citations63
MITSUBISHI OIL CO
2 patentsMORIOKA MASANARI
1 patentASANUMA NAOYA
1 patentShowing the top 50 of 76 patents by PatentIndex Score.