Assignee
CANON KASEI KK
JP·25 granted patents·12 pending applications·293 citations·filing 1996–2020
Top patents by PatentIndex Score
37 records- 0191US7544158B2Electroconductive rubber rollerCANON KASEI KK·Filed 2006·Granted Jun 9, 2009·23 cites·5 claims
- 0290US7171142B2Conductive roller, and process cartridge and electrophotographic apparatus which have conductive rollerCANON KASEI KK·Filed 2006·Granted Jan 30, 2007·16 cites·5 claims
- 0387US8998786B2Process for producing conductive rubber roller, and roller for electrophotographic apparatusCANON KASEI KK·Filed 2013·Granted Apr 7, 2015·5 cites·2 claims
- 0486US7778585B2Electrophotographic cleaning blade, process for producing electrophotographic cleaning blade, and electrophotographic apparatusCANON KASEI KK·Filed 2008·Granted Aug 17, 2010·11 cites·4 claims
- 0586US7520057B2Process for producing conductive rubber roller, and roller for electrophotographic apparatusCANON KASEI KK·Filed 2006·Granted Apr 21, 2009·14 cites·9 claims
- 0685US6771920B2Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging rollerCANON KASEI KK·Filed 2003·Granted Aug 3, 2004·25 cites·8 claims
- 0784US7727135B2Conductive rubber rollerCANON KASEI KK·Filed 2006·Granted Jun 1, 2010·10 cites·7 claims
- 0884US6648807B2Conductive rubber rollerCANON KASEI KK·Filed 2001·Granted Nov 18, 2003·22 cites·9 claims
- 0982US8037607B2Process for producing conductive rubber roller, and roller for electrophotographic apparatusCANON KASEI KK·Filed 2009·Granted Oct 18, 2011·10 cites·2 claims
- 1080US7016633B2Developing assembly featuring a developer-carrying member having specified ranges of deformation and hardness and a developer quality control blade having a rough contact surfaceCANON KASEI KK·Filed 2005·Granted Mar 21, 2006·5 cites·6 claims
- 1178US6703094B2Charging member, process cartridge and electrophotographic apparatusCANON KASEI KK·Filed 2001·Granted Mar 9, 2004·23 cites·14 claims
- 1277US7976447B2Conductive rubber roller and transfer rollerCANON KASEI KK·Filed 2007·Granted Jul 12, 2011·7 cites·4 claims
- 1377US7881648B2Positive charge control resin for electrophotographic functional component parts, developing roller, and electrophotographic apparatusCANON KASEI KK·Filed 2006·Granted Feb 1, 2011·7 cites·6 claims
- 1476US6703472B2Cleaning blade and electrophotographic apparatus using the sameCANON KASEI KK·Filed 2002·Granted Mar 9, 2004·22 cites·6 claims
- 1572US5742880ACharging member, and process cartridge and electrophotographic apparatus having the charging memberCANON KASEI KK·Filed 1996·Granted Apr 21, 1998·23 cites·22 claims
- 1670US7619052B2Blade for electrophotographic apparatusCANON KASEI KK·Filed 2006·Granted Nov 17, 2009·3 cites·2 claims
- 1770US5802442AIntermediate transfer member, electrophotography apparatus using the same, and method for manufacturing the sameCANON KASEI KK·Filed 1996·Granted Sep 1, 1998·23 cites·18 claims
- 1863US7662329B2Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereofCANON KASEI KK·Filed 2003·Granted Feb 16, 2010·6 cites·10 claims
- 1963US7074292B2Processes for manufacturing blade member of developer quantity control bladeCANON KASEI KK·Filed 2002·Granted Jul 11, 2006·6 cites·4 claims
- 2062US7171141B2Charging roller, process cartridge and electrophotographic apparatusCANON KASEI KK·Filed 2004·Granted Jan 30, 2007·8 cites·4 claims
- 2161US7209683B2Charging roller featuring specified ratio of storage elastic modulus and dynamic viscoelasticity values and process cartridge and electrophotographic apparatus featuring the sameCANON KASEI KK·Filed 2006·Granted Apr 24, 2007·2 cites·4 claims
- 2261US6432324B1Semiconducting member, functional member for electrophotography, and process cartridgeCANON KASEI KK·Filed 2000·Granted Aug 13, 2002·7 cites·16 claims
- 2358US2020308418A1Surface reflection preventing coating material and surface reflection preventing coating filmCANON KASEI KK·Filed 2020·Application pending·0 cites
- 2456US2006216526A1Cleaning blade and electrophotographic apparatusCANON KASEI KK·Filed 2006·Application pending·0 cites
- 2555US6117919AAnti-fogging article and composition for forming anti-fogging coating filmCANON KASEI KK·Filed 1998·Granted Sep 12, 2000·15 cites·10 claims
- 2655US2008213421A1Centrifugal casting die, method for manufacturing thereof as well as casting material, blade obtained therefrom and method for manufacturing thereofCANON KASEI KK·Filed 2008·Application pending·0 cites
- 2750US2006202376A1Processes for manufacturing blade member of developer quantity control blade and manufacturing the bladeCANON KASEI KK·Filed 2006·Application pending·0 cites
- 2844US2007147905A1Developer level control blade, process for its manufacture, and developing assemblyCANON KASEI KK·Filed 2007·Application pending·0 cites
- 2942US2014029972A1Electrophotographic magnetic sealing member and electrophotographic cartridgeCANON KASEI KK·Filed 2013·Application pending·0 cites
- 3042US2005260014A1Developer level control blade, process for its manufacture, and developing assemblyCANON KASEI KK·Filed 2005·Application pending·0 cites
- 3141US7283771B2Charging rollerCANON KASEI KK·Filed 2005·Granted Oct 16, 2007·0 cites·2 claims
- 3239US2009162109A1Conductive rubber roller and transfer rollerCANON KASEI KK·Filed 2008·Application pending·0 cites
- 3337US2004170841A1Process for producing cleaning blade, and electrophotographic apparatusCANON KASEI KK·Filed 2004·Application pending·0 cites
- 3437US2009290921A1Cleaning blade for electrophotographic apparatusCANON KASEI KK·Filed 2009·Application pending·0 cites
- 3536US8036580B2Polyurethane foam toner supplying roller and method for manufacturing the sameCANON KASEI KK·Filed 2008·Granted Oct 11, 2011·0 cites·2 claims
- 3636US2003194250A1Developing assembly, developer quantity control blade and process for manufacturing developer quantity control bladeCANON KASEI KK·Filed 2003·Application pending·0 cites
- 3736US2011194880A1Transfer rollerCANON KASEI KK·Filed 2011·Application pending·0 cites
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