Inventor · disambiguated record
Kazuo Chadani
Also filed as: CHADANI KAZUO
77 granted patents·3 pending applications·3,955 citations·filing 1996–2024
99Inventor score
Top patents by PatentIndex Score
80 records- 0199US7899364B2Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatusCANON KK·Filed 2007·Granted Mar 1, 2011·124 cites·34 claims
- 0299US7689146B2Electrophotographic image forming apparatus and process cartridgeCANON KK·Filed 2008·Granted Mar 30, 2010·63 cites·8 claims
- 0399US7499663B2Electrophotographic image forming apparatus and process cartridgeCANON KK·Filed 2008·Granted Mar 3, 2009·79 cites·5 claims
- 0499US7366445B2Image forming apparatus including a plurality of image bearing members having a speed variation suppression featureCANON KK·Filed 2005·Granted Apr 29, 2008·79 cites·25 claims
- 0599US7136604B2Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Nov 14, 2006·196 cites·16 claims
- 0699US6980759B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Dec 27, 2005·148 cites·17 claims
- 0799US6934485B2Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact partCANON KK·Filed 2002·Granted Aug 23, 2005·256 cites·34 claims
- 0899US6931226B2Process cartridge remanufacturing methodCANON KK·Filed 2002·Granted Aug 16, 2005·159 cites·26 claims
- 0999US6795666B2Remanufacturing method for process cartridgeCANON KK·Filed 2002·Granted Sep 21, 2004·169 cites·27 claims
- 1099US6173145B1Developing apparatus with drive mechanism for developer bearing bodyCANON KK·Filed 1999·Granted Jan 9, 2001·208 cites·18 claims
- 1199US6173140B1Coupling member, process cartridge and assembling method of process cartridgeCANON KK·Filed 1998·Granted Jan 9, 2001·232 cites·112 claims
- 1299US5966567AProcess cartridge and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Oct 12, 1999·224 cites·25 claims
- 1399US5943529AProcess cartridge and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Aug 24, 1999·215 cites·26 claims
- 1498US11131959B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted Sep 28, 2021·4 cites·11 claims
- 1598US10401783B2Process cartridge and image forming apparatusCANON KK·Filed 2018·Granted Sep 3, 2019·15 cites·28 claims
- 1698US9983542B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted May 29, 2018·18 cites·26 claims
- 1798US9581958B2Process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Feb 28, 2017·19 cites·96 claims
- 1898US9134688B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2012·Granted Sep 15, 2015·21 cites·1 claims
- 1998US8639160B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2012·Granted Jan 28, 2014·22 cites·14 claims
- 2098US8588647B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2012·Granted Nov 19, 2013·20 cites·38 claims
- 2198US8583007B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2012·Granted Nov 12, 2013·22 cites·66 claims
- 2298US8447209B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2011·Granted May 21, 2013·21 cites·50 claims
- 2398US8442416B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2011·Granted May 14, 2013·23 cites·126 claims
- 2498US8335454B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2011·Granted Dec 18, 2012·28 cites·144 claims
- 2598US8116661B2Process cartridge with a coupling member and a retaining portion for the coupling memberCHADANI KAZUO·Filed 2011·Granted Feb 14, 2012·33 cites·28 claims
- 2698US7890025B2Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectivelyCANON KK·Filed 2007·Granted Feb 15, 2011·38 cites·17 claims
- 2798US7433622B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Oct 7, 2008·104 cites·8 claims
- 2897US10795309B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Oct 6, 2020·4 cites·15 claims
- 2997US8682200B2Process cartridge and image forming apparatusCHADANI KAZUO·Filed 2011·Granted Mar 25, 2014·26 cites·19 claims
- 3097US8559849B2Process cartridge and electrophotographic image forming apparatusSUZUKI TATSUYA·Filed 2011·Granted Oct 15, 2013·24 cites·5 claims
- 3197US8165493B2Process cartridge and electrophotographic image forming apparatusCHADANI KAZUO·Filed 2009·Granted Apr 24, 2012·30 cites·8 claims
- 3297US6823155B2Process cartridge and image forming apparatusCANON KK·Filed 2001·Granted Nov 23, 2004·90 cites·9 claims
- 3397US6282389B1Electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1999·Granted Aug 28, 2001·107 cites·31 claims
- 3497US6219504B1Process cartridge and image forming apparatusCANON KK·Filed 1999·Granted Apr 17, 2001·110 cites·17 claims
- 3597US6144815ADeveloping device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1999·Granted Nov 7, 2000·98 cites·21 claims
- 3696US11543769B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Jan 3, 2023·2 cites·21 claims
- 3796US8306460B2Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectivelyCHADANI KAZUO·Filed 2010·Granted Nov 6, 2012·16 cites·24 claims
- 3896US7184682B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Feb 27, 2007·63 cites·9 claims
- 3996US6301457B1Coupling member, process cartridge and image forming apparatusCANON KK·Filed 2000·Granted Oct 9, 2001·74 cites·23 claims
- 4096US6205305B1Developing apparatus having welded-together accommodating and developing containersCANON KK·Filed 1999·Granted Mar 20, 2001·87 cites·15 claims
- 4196US6178302B1Developer container seal, developer container, developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 1998·Granted Jan 23, 2001·82 cites·98 claims
- 4295US7570900B2Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatusCANON KK·Filed 2006·Granted Aug 4, 2009·22 cites·9 claims
- 4395US6535699B1Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatusCANON KK·Filed 2001·Granted Mar 18, 2003·63 cites·17 claims
- 4495US6512903B2Developer accommodating container, a developing device, a process cartridge, and an image forming apparatus whose developer-accommodating-container opening is sealed by a seal memberCANON KK·Filed 2000·Granted Jan 28, 2003·58 cites·60 claims
- 4594US9836016B2Image forming apparatus and cartridgeCANON KK·Filed 2016·Granted Dec 5, 2017·7 cites·15 claims
- 4694US8160478B2Process cartridge and image forming apparatusMUNETSUGU HIROYUKI·Filed 2009·Granted Apr 17, 2012·31 cites·12 claims
- 4794US6473585B2Developer accommodating container, and developing deviceCANON KK·Filed 2001·Granted Oct 29, 2002·52 cites·22 claims
- 4893US10613476B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Apr 7, 2020·2 cites·6 claims
- 4993US6671474B2Developer container, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2002·Granted Dec 30, 2003·41 cites·18 claims
- 5090US6208817B1Developing apparatus and method for assembling the sameCANON KK·Filed 1999·Granted Mar 27, 2001·46 cites·26 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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