Inventor
TOBA SHINJIRO
JP84 patents
⚠️ This page may combine multiple inventors who share the name “TOBA SHINJIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
47 patentsUS7349657B2Mar 25, 2008
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method
CANON KK161 citations99
US7224925B2May 29, 2007
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method
CANON KK185 citations99
US7158736B2Jan 2, 2007
Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge
CANON KK209 citations99
US7149457B2Dec 12, 2006
Process cartridge and electrophotographic image forming apparatus
CANON KK169 citations99
US6603939B1Aug 5, 2003
Developing apparatus, process cartridge, connecting method between developing frame and developer frame, and flexible seal
CANON KK175 citations99
US6549736B2Apr 15, 2003
Process cartridge, engaging member therefor and method for mounting developing roller and magnet
CANON KK210 citations99
US6542706B2Apr 1, 2003
Process cartridge and electrophotographic image forming apparatus
CANON KK154 citations99
US6519431B1Feb 11, 2003
Process cartridge, assembling method therefor and electrophotographic image forming apparatus
CANON KK173 citations99
US7953340B2May 31, 2011
Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member
CANON KK44 citations98
US7715746B2May 11, 2010
Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member
CANON KK63 citations98
US7412193B2Aug 12, 2008
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method
CANON KK96 citations98
US7248810B2Jul 24, 2007
Cartridge, process cartridge, and electrophotographic image forming apparatus
CANON KK147 citations98
US7218882B2May 15, 2007
Developing device, process cartridge, developer layer regulating member, and developer layer regulating member attaching method
CANON KK70 citations98
US7212768B2May 1, 2007
Process cartridge and electrophotographic image forming apparatus
CANON KK140 citations98
US7164875B2Jan 16, 2007
Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges
CANON KK126 citations98
US6990302B2Jan 24, 2006
Process cartridge and electrophotographic image forming apparatus regulating the positions of creases on a flexible member in accordance with pivotal movement of a support member
CANON KK73 citations98
US6937834B2Aug 30, 2005
Spacing member, process cartridge, and electrophotographic image forming apparatus
CANON KK82 citations98
US6836629B2Dec 28, 2004
Developing blade, process cartridge, and electrophotographic image forming apparatus
CANON KK125 citations98
US6678488B2Jan 13, 2004
Image forming apparatus to which a process cartridge is detachably mountable and process cartridge comprising a rotation fulcrum portion
CANON KK117 citations98
US7894733B2Feb 22, 2011
Process cartridge and image forming apparatus
CANON KK42 citations96
US7860433B2Dec 28, 2010
Process cartridge and electrophotographic image forming apparatus
CANON KK44 citations96
USD798948SOct 3, 2017
Process cartridge for image forming apparatus
CANON KK21 citations94
USD798949SOct 3, 2017
Process cartridge for image forming apparatus
CANON KK27 citations94
US8712284B2Apr 29, 2014
Process cartridge and electrophotographic image forming apparatus
CANON KK19 citations93
USD519150SApr 18, 2006
Image forming apparatus
CANON KK41 citations93
US6708010B2Mar 16, 2004
Developing apparatus having magnetic seal
CANON KK38 citations93
US6473578B2Oct 29, 2002
Developing apparatus
CANON KK39 citations93
US6424811B1Jul 23, 2002
Electrophotographic image forming apparatus and process cartridge detachably mounted thereto having first and second drive force transmitting means
CANON KK56 citations93
US6151465ANov 21, 2000
Electrical contact device for developing roller
CANON KK19 citations93
USD791862SJul 11, 2017
Process cartridge for image forming apparatus
CANON KK19 citations92
USD791224SJul 4, 2017
Process cartridge for image forming apparatus
CANON KK17 citations92
US11829100B2Nov 28, 2023
Electrophotographic image forming apparatus and catridge
CANON KK6 citations85
USD832339SOct 30, 2018
Process cartridge for image forming apparatus
CANON KK6 citations84
USD807955SJan 16, 2018
Side cover for process cartridge for image forming device
CANON KK15 citations84
USD786962SMay 16, 2017
Side cover for process cartridge for image forming device
CANON KK9 citations84
US9213266B2Dec 15, 2015
Development apparatus and cartridge with sealing member to prevent leakage of developer
CANON KK7 citations84
USD631092SJan 18, 2011
Process cartridge
CANON KK15 citations84
US9733612B2Aug 15, 2017
Cartridge package and packageable process cartridge
CANON KK10 citations83
US9304488B2Apr 5, 2016
Cartridge package and packageable process cartridge
CANON KK12 citations83
US10353339B2Jul 16, 2019
Cartridge with restriction member for restricting relative movement of toner cartridge and process cartridge
CANON KK12 citations82
US11977344B2May 7, 2024
Image forming apparatus and image forming system
CANON KK5 citations75
US12066785B2Aug 20, 2024
Cartridge and image forming apparatus
CANON KK5 citations74
US7024134B2Apr 4, 2006
Rigid process cartridge and electrophotographic image forming apparatus incorporating the same
CANON KK7 citations74
US9535372B2Jan 3, 2017
Remanufacturing method of developer accommodating unit
CANON KK2 citations73
USD555718SNov 20, 2007
Image forming apparatus
CANON KK5 citations63
US7224926B2May 29, 2007
Flight developer regulating member, developing apparatus and method of assembling developing apparatus
CANON KK3 citations63
US6941097B2Sep 6, 2005
Image forming apparatus having rotary unit for holding multiple developing devices
CANON KK4 citations63
TANABE MASATO
1 patentNUMATA TETSUYA
1 patentTOBA SHINJIRO
1 patentShowing the top 50 of 84 patents by PatentIndex Score.