Inventor · disambiguated record
Kenji Ishii
Also filed as: ISHII KENJI
288 granted patents·44 pending applications·2,331 citations·filing 1977–2025
99Inventor score
Top patents by PatentIndex Score
332 records- 0199US7801457B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Sep 21, 2010·65 cites·17 claims
- 0299US7783240B2Fixing device, image forming apparatus including the fixing device, and fixing methodRICOH KK·Filed 2008·Granted Aug 24, 2010·65 cites·18 claims
- 0398US7925177B2Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the sameRICOH CO LTD·Filed 2005·Granted Apr 12, 2011·37 cites·36 claims
- 0498US7796933B2Fixing device using electromagnetic induction heating and image forming apparatus including sameRICOH KK·Filed 2008·Granted Sep 14, 2010·56 cites·16 claims
- 0598US7570910B2Image forming apparatus, fixing unit, and image forming method using induction heaterRICOH KK·Filed 2006·Granted Aug 4, 2009·49 cites·15 claims
- 0698US6813464B2Fixing device with a peeler and biasing devices and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Nov 2, 2004·94 cites·25 claims
- 0797US11886099B2Electronic apparatus and accessoryCANON KK·Filed 2021·Granted Jan 30, 2024·6 cites·28 claims
- 0897US4843170AProcess for producing vinyl acetateMITSUBISHI GAS CHEMICAL CO·Filed 1983·Granted Jun 27, 1989·83 cites·8 claims
- 0996US8588670B2Fixing device having a reflector and image forming apparatus incorporating sameSHIMOKAWA TOSHIHIKO·Filed 2011·Granted Nov 19, 2013·17 cites·8 claims
- 1095US11796898B2Electronic apparatus and accessoryCANON KK·Filed 2021·Granted Oct 24, 2023·5 cites·23 claims
- 1194US8886101B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2012·Granted Nov 11, 2014·7 cites·17 claims
- 1294US8725038B2Belt assembly, fixing device, and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2011·Granted May 13, 2014·10 cites·18 claims
- 1394US8364052B2Fixing device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2010·Granted Jan 29, 2013·10 cites·7 claims
- 1494US7393904B2(Meth)acrylate-terminated polyphenylene etherMITSUBISHI GAS CHEMICAL CO·Filed 2007·Granted Jul 1, 2008·22 cites·4 claims
- 1594US7392043B2API system, method and computer program product for accessing content/security analysis functionality in a mobile communication frameworkNTT DOCOMO INC·Filed 2003·Granted Jun 24, 2008·107 cites·26 claims
- 1694US6937827B2Fixing device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Aug 30, 2005·61 cites·49 claims
- 1794US6835785B2Polyphenylene ether oligomer compound, derivatives thereof and use thereofMITSUBISHI GAS CHEMICAL CO·Filed 2003·Granted Dec 28, 2004·55 cites·2 claims
- 1893US9031439B2Fixing device and image forming deviceHASE TAKAMASA·Filed 2013·Granted May 12, 2015·7 cites·7 claims
- 1993US8630572B2Fixing device and image forming apparatus including sameFUJIMOTO IPPEI·Filed 2011·Granted Jan 14, 2014·9 cites·10 claims
- 2093US8447220B2Fixing device and image forming apparatus including sameYAMAGUCHI YOSHIKI·Filed 2011·Granted May 21, 2013·8 cites·12 claims
- 2193US5490631AHeat-insulating paper container and method for producing the sameNIHON DIXIE CO LTD·Filed 1994·Granted Feb 13, 1996·234 cites·15 claims
- 2292US9811031B2Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the sameKAWATA TEPPEI·Filed 2015·Granted Nov 7, 2017·4 cites·35 claims
- 2392US9405250B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameOGAWA TADASHI·Filed 2015·Granted Aug 2, 2016·5 cites·8 claims
- 2492US9046838B2Fixing device and image forming apparatusARAI YUJI·Filed 2013·Granted Jun 2, 2015·6 cites·23 claims
- 2592US8498561B2Fixing device and image forming apparatus incorporating same having a reinforcing member including first and second flangesYAMAGUCHI YOSHIKI·Filed 2010·Granted Jul 30, 2013·7 cites·13 claims
- 2692US7786219B2Cyanate-terminated polyphenylene etherMITSUBISHI GAS CHEMICAL CO·Filed 2009·Granted Aug 31, 2010·11 cites·6 claims
- 2792US7308256B2Mobile communication terminal, information processing apparatus, relay server apparatus, information processing system, and information processing methodNTT DOCOMO INC·Filed 2003·Granted Dec 11, 2007·99 cites·8 claims
- 2891US11696007B2Imaging apparatusCANON KK·Filed 2022·Granted Jul 4, 2023·2 cites·11 claims
- 2991US11601573B2Image pickup apparatus having a structure for dissipating heatCANON KK·Filed 2022·Granted Mar 7, 2023·2 cites·9 claims
- 3091US9612556B2Fixing device and image forming apparatusOGINO YASUHIKO·Filed 2016·Granted Apr 4, 2017·5 cites·19 claims
- 3191US9026024B2Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating sameRICOH CO LTD·Filed 2013·Granted May 5, 2015·5 cites·13 claims
- 3291US8929791B2Fixing device and endless belt assemblyISHII KENJI·Filed 2013·Granted Jan 6, 2015·6 cites·20 claims
- 3391US8682192B2Image forming apparatusIKEBUCHI YUTAKA·Filed 2011·Granted Mar 25, 2014·6 cites·7 claims
- 3491US8311469B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Nov 13, 2012·7 cites·8 claims
- 3591US7306081B2Impact absorbing member for vehicleKYORAKU CO LTD·Filed 2006·Granted Dec 11, 2007·13 cites·12 claims
- 3690US10042295B2Fixing device, image forming apparatus, and image forming methodYOSHINAGA HIROSHI·Filed 2016·Granted Aug 7, 2018·4 cites·16 claims
- 3790US9348284B2Sheet conveyor and image forming apparatus incorporating the sheet conveyorWATANABE TAKESHI·Filed 2015·Granted May 24, 2016·5 cites·20 claims
- 3890US8385804B2Fixing device and image forming apparatus employing the fixing deviceRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·6 cites·13 claims
- 3990US6835786B2(Meth)acrylate compound and cured product thereofMITSUBISHI GAS CHEMICAL CO·Filed 2003·Granted Dec 28, 2004·22 cites·9 claims
- 4090US6689920B2Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the sameMITSUBISHI GAS CHEMICAL CO·Filed 2002·Granted Feb 10, 2004·32 cites·6 claims
- 4189US10317823B2Fixing device and image forming apparatus having a thermal conduction aid contacting a nip formation padRICOH CO LTD·Filed 2018·Granted Jun 11, 2019·3 cites·15 claims
- 4289US9037008B2Fixing device and image forming apparatus including sameHASE TAKAMASA·Filed 2013·Granted May 19, 2015·4 cites·15 claims
- 4389US8655211B2Fixing device and image forming apparatus incorporating sameFUJIMOTO IPPEI·Filed 2011·Granted Feb 18, 2014·5 cites·16 claims
- 4489US7178647B2Impact absorbing member for vehicleKYORAKU CO LTD·Filed 2005·Granted Feb 20, 2007·9 cites·18 claims
- 4589US7143876B2Impact absorbing member for vehicleKYORAKU CO LTD·Filed 2003·Granted Dec 5, 2006·24 cites·20 claims
- 4688US12347970B2Shoe apparatus, accessory, accessory shoe apparatus, and electronic apparatusCANON KK·Filed 2022·Granted Jul 1, 2025·1 cites·17 claims
- 4788US11054773B2Heater, heating device, fixing device, and image forming apparatusFURUICHI YUUSUKE·Filed 2020·Granted Jul 6, 2021·2 cites·20 claims
- 4888US10065824B2Stacking apparatusEDO YOUSUKE·Filed 2016·Granted Sep 4, 2018·5 cites·16 claims
- 4988US9014611B2Fixing device and image forming apparatus with sameISHII KENJI·Filed 2014·Granted Apr 21, 2015·4 cites·17 claims
- 5088US8406647B2Fixing device including a radiation member to cool a fixing member and a heat conductive memberSHINSHI AKIRA·Filed 2010·Granted Mar 26, 2013·5 cites·8 claims
Showing the top 50 of 332 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →