Inventor · disambiguated record
Kazuhiko Kanno
Also filed as: KANNO KAZUHIKO
86 granted patents·1 pending application·4,675 citations·filing 1996–2024
99Inventor score
Top patents by PatentIndex Score
87 records- 0199US11112751B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2021·Granted Sep 7, 2021·6 cites·30 claims
- 0299US10139777B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2014·Granted Nov 27, 2018·25 cites·136 claims
- 0399US9804560B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2016·Granted Oct 31, 2017·35 cites·108 claims
- 0499US9429877B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2014·Granted Aug 30, 2016·34 cites·58 claims
- 0599US9213267B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2014·Granted Dec 15, 2015·45 cites·28 claims
- 0699US7933534B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2009·Granted Apr 26, 2011·88 cites·20 claims
- 0799US6980759B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Dec 27, 2005·148 cites·17 claims
- 0899US6681088B2Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drumCANON KK·Filed 2002·Granted Jan 20, 2004·250 cites·20 claims
- 0999US6496667B2Cartridge detachably attachable to image forming apparatusCANON KK·Filed 2001·Granted Dec 17, 2002·142 cites·27 claims
- 1099US6072969ADeveloping cartridgeCANON KK·Filed 1997·Granted Jun 6, 2000·217 cites·62 claims
- 1199US5926666AProcess cartridge, electrophotographic image forming apparatus and connection method of connecting contactsCANON KK·Filed 1997·Granted Jul 20, 1999·265 cites·19 claims
- 1298US11614710B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted Mar 28, 2023·3 cites·23 claims
- 1398US11385593B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Jul 12, 2022·4 cites·16 claims
- 1498US11016438B2Cartridge, photosensitive member unit and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted May 25, 2021·6 cites·88 claims
- 1598US10901365B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Jan 26, 2021·6 cites·14 claims
- 1698US10228652B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Mar 12, 2019·18 cites·40 claims
- 1798US9291994B2Cartridge and image forming apparatusCANON KK·Filed 2014·Granted Mar 22, 2016·32 cites·15 claims
- 1898US8805237B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Aug 12, 2014·21 cites·5 claims
- 1998US8682211B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitHOSHI NOBUHARU·Filed 2011·Granted Mar 25, 2014·75 cites·14 claims
- 2098US8577252B2Process cartridge and disassembling method of the process cartridgeANAN OSAMU·Filed 2010·Granted Nov 5, 2013·54 cites·6 claims
- 2198US8385775B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2011·Granted Feb 26, 2013·23 cites·12 claims
- 2298US8155557B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2010·Granted Apr 10, 2012·27 cites·13 claims
- 2398US8090292B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2011·Granted Jan 3, 2012·26 cites·6 claims
- 2498US8059988B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2008·Granted Nov 15, 2011·43 cites·16 claims
- 2598US7929881B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Apr 19, 2011·40 cites·12 claims
- 2698US7756441B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Jul 13, 2010·38 cites·14 claims
- 2798US7463844B2Process cartridge that spaces a developing roller and photosensitive drum from each other and image forming apparatus usable therewithCANON KK·Filed 2006·Granted Dec 9, 2008·56 cites·10 claims
- 2898US6961528B2Cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Nov 1, 2005·88 cites·20 claims
- 2998US6834173B2Image-forming-apparatus process cartridge having a locking portion to prevent the cartridge from disengaging from the image forming apparatus and an image forming apparatus mounting such a cartridgeCANON KK·Filed 2002·Granted Dec 21, 2004·107 cites·22 claims
- 3098US6735403B2Image forming apparatus to which a developing cartridge or process cartridge are detachably mountable comprising driving control means for permitting and preventing transmission of a driving force to a winding memberCANON KK·Filed 2001·Granted May 11, 2004·114 cites·18 claims
- 3198US6560422B2Development cartridge, process cartridge, and electrophotographic image forming apparatus, and toner seal member for unsealing an opening for supplying developer by automatically winding up the toner seal memberCANON KK·Filed 2001·Granted May 6, 2003·121 cites·17 claims
- 3298US6381430B1Assembling and disassembling methods for developing cartridgeCANON KK·Filed 1999·Granted Apr 30, 2002·138 cites·16 claims
- 3398US5893006AProcess cartridge detectably mountable to image forming apparatus and image forming apparatus using sameCANON KK·Filed 1996·Granted Apr 6, 1999·125 cites·22 claims
- 3498US5768658AElectrode member, developing apparatus, process cartridge and image forming apparatusCANON KK·Filed 1996·Granted Jun 16, 1998·195 cites·36 claims
- 3597US10996623B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2019·Granted May 4, 2021·7 cites·46 claims
- 3697US10712708B2Cartridge, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2019·Granted Jul 14, 2020·11 cites·25 claims
- 3797US9274499B2Cartridge and image forming apparatusCANON KK·Filed 2015·Granted Mar 1, 2016·15 cites·48 claims
- 3897US9025998B2Process cartridge and image forming apparatusCANON KK·Filed 2012·Granted May 5, 2015·20 cites·48 claims
- 3997US8494410B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2012·Granted Jul 23, 2013·21 cites·8 claims
- 4097US8437661B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2012·Granted May 7, 2013·21 cites·9 claims
- 4197US8170445B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2011·Granted May 1, 2012·23 cites·14 claims
- 4297US8170444B2Process cartridge and electrophotographic image forming apparatusKANNO KAZUHIKO·Filed 2007·Granted May 1, 2012·27 cites·23 claims
- 4397US6947687B2Cartridge having locking portion for locking cartridge with an image forming apparatus and releasing portion to release the locking portion, and image forming apparatus having such a cartridgeCANON KK·Filed 2003·Granted Sep 20, 2005·88 cites·12 claims
- 4497US6937834B2Spacing member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Aug 30, 2005·82 cites·13 claims
- 4597US6345164B1Shutter pin and developing cartridgeCANON KK·Filed 1999·Granted Feb 5, 2002·103 cites·55 claims
- 4697US6070029ACoupling member, process cartridge, electrophotographic image forming apparatus and assembling methodCANON KK·Filed 1996·Granted May 30, 2000·110 cites·29 claims
- 4797US6032002AShutter, developing cartridge and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Feb 29, 2000·107 cites·26 claims
- 4897US5950049ADeveloping cartridgeCANON KK·Filed 1997·Granted Sep 7, 1999·111 cites·94 claims
- 4997US5940657ADeveloping cartridgeCANON KK·Filed 1997·Granted Aug 17, 1999·107 cites·30 claims
- 5097US5937240AProcess cartridge having positioning members and image forming apparatus using such a process cartridgeCANON KK·Filed 1997·Granted Aug 10, 1999·108 cites·95 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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