Inventor · disambiguated record
Susumu Nittani
Also filed as: NITTANI SUSUMU
79 granted patents·4 pending applications·2,725 citations·filing 1996–2025
99Inventor score
Top patents by PatentIndex Score
83 records- 0199US7953340B2Process cartridge having electrical contact and image forming apparatus having electrical contact in urging memberCANON KK·Filed 2010·Granted May 31, 2011·44 cites·6 claims
- 0299US7894733B2Process cartridge and image forming apparatusCANON KK·Filed 2010·Granted Feb 22, 2011·42 cites·12 claims
- 0399US7890012B2Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountableCANON KK·Filed 2007·Granted Feb 15, 2011·60 cites·15 claims
- 0499US7869740B2Process cartridge and image forming apparatusCANON KK·Filed 2009·Granted Jan 11, 2011·37 cites·91 claims
- 0599US7860433B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Dec 28, 2010·44 cites·21 claims
- 0699US7813671B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Oct 12, 2010·63 cites·14 claims
- 0799US7715746B2Process cartridge having electrical contact and image forming apparatus having electrical contact in urging memberCANON KK·Filed 2007·Granted May 11, 2010·63 cites·11 claims
- 0899US7509071B2Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drumCANON KK·Filed 2007·Granted Mar 24, 2009·92 cites·43 claims
- 0999US7340197B2Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Mar 4, 2008·62 cites·16 claims
- 1099US6980758B2Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Dec 27, 2005·155 cites·16 claims
- 1199US6681088B2Process 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
- 1299US6463234B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2001·Granted Oct 8, 2002·171 cites·20 claims
- 1398US8971760B2Process cartridge and image forming apparatusCANON KK·Filed 2013·Granted Mar 3, 2015·10 cites·30 claims
- 1498US8139979B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Mar 20, 2012·44 cites·10 claims
- 1598US7856192B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Dec 21, 2010·44 cites·12 claims
- 1698US7386241B2Processing cartridge rotating a drum shaft in different directions and image forming apparatus mounting such a cartridgeCANON KK·Filed 2006·Granted Jun 10, 2008·42 cites·8 claims
- 1798US7272339B2Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridgeCANON KK·Filed 2005·Granted Sep 18, 2007·58 cites·11 claims
- 1898US7072603B2Process cartridge and holding memberCANON KK·Filed 2004·Granted Jul 4, 2006·106 cites·28 claims
- 1998US7027756B2Process cartridge and assemblying method thereforCANON KK·Filed 2004·Granted Apr 11, 2006·97 cites·20 claims
- 2098US6834171B2Developer container having a grip member, process cartridge mountable to an image forming apparatus having such a developer container, an image forming apparatus detachably mounting a process cartridge having such a developer container, a bearing structure having a grip member, and a side cover having a grip memberCANON KK·Filed 2003·Granted Dec 21, 2004·98 cites·35 claims
- 2198US6459869B2Process cartridge and image forming apparatusCANON KK·Filed 2001·Granted Oct 1, 2002·119 cites·21 claims
- 2297US11467514B2Image forming apparatus and image forming systemCANON KK·Filed 2021·Granted Oct 11, 2022·8 cites·5 claims
- 2397US8862015B2Image forming apparatus with urging member that establishes electrical connection with a cartridgeCANON KK·Filed 2013·Granted Oct 14, 2014·18 cites·13 claims
- 2497US8712284B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Apr 29, 2014·19 cites·13 claims
- 2597US8588646B2Process cartridge and image forming apparatusYOSHIMURA AKIRA·Filed 2012·Granted Nov 19, 2013·11 cites·169 claims
- 2697US8526841B2Process cartridge and electrophotographic image forming apparatusKOISHI ISAO·Filed 2010·Granted Sep 3, 2013·32 cites·13 claims
- 2797US8301054B2Process cartridge and image forming apparatusTANABE MASATO·Filed 2011·Granted Oct 30, 2012·48 cites·11 claims
- 2897US8165494B2Process cartridge having a member with a force receiving end movable to a position away from a cartridge housingYOSHIMURA AKIRA·Filed 2010·Granted Apr 24, 2012·14 cites·61 claims
- 2997US7215909B2Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using theseCANON KK·Filed 2005·Granted May 8, 2007·67 cites·6 claims
- 3097US7088939B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Aug 8, 2006·80 cites·8 claims
- 3196US8565639B2Process cartridge and image forming apparatusNITTANI SUSUMU·Filed 2011·Granted Oct 22, 2013·48 cites·10 claims
- 3296US8213831B2Process cartridge and electrophotographic image forming apparatusTOBA SHINJIRO·Filed 2010·Granted Jul 3, 2012·25 cites·14 claims
- 3396US7162181B2Remanufacturing method for process cartridgeCANON KK·Filed 2004·Granted Jan 9, 2007·74 cites·11 claims
- 3496US6256467B1Side cover of developing cartridge, mounting method thereof and developing cartridgeCANON KK·Filed 1998·Granted Jul 3, 2001·95 cites·28 claims
- 3595US11460802B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Oct 4, 2022·2 cites·13 claims
- 3695US10162304B2Process cartridge and image forming apparatusCANON KK·Filed 2017·Granted Dec 25, 2018·3 cites·12 claims
- 3795US8583001B2Developing device and process cartridgeKUBO YUKIO·Filed 2011·Granted Nov 12, 2013·44 cites·10 claims
- 3894US10234820B2Process cartridge and image forming apparatusCANON KK·Filed 2018·Granted Mar 19, 2019·2 cites·20 claims
- 3994US6654583B2Developing apparatusCANON KK·Filed 2002·Granted Nov 25, 2003·49 cites·19 claims
- 4094US6282395B1Developing device and process cartridgeCANON KK·Filed 1999·Granted Aug 28, 2001·62 cites·18 claims
- 4193US11215949B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted Jan 4, 2022·2 cites·27 claims
- 4293US7512361B2Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridgeCANON KK·Filed 2006·Granted Mar 31, 2009·16 cites·10 claims
- 4393US7024137B2Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridgeCANON KK·Filed 2003·Granted Apr 4, 2006·46 cites·16 claims
- 4493US2024427282A1Process cartridge and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4592US11579563B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Feb 14, 2023·1 cites·13 claims
- 4692US10761478B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Sep 1, 2020·1 cites·21 claims
- 4792US9829856B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Nov 28, 2017·2 cites·1 claims
- 4892US9519260B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Dec 13, 2016·2 cites·8 claims
- 4991US10642218B2Process cartridge and image forming apparatusCANON KK·Filed 2018·Granted May 5, 2020·1 cites·20 claims
- 5090US12105466B2Process cartridge and image forming apparatusCANON KK·Filed 2023·Granted Oct 1, 2024·0 cites·15 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →