Inventor · disambiguated record
Kenichi Hasegawa
Also filed as: HASEGAWA KENICHI
122 granted patents·6 pending applications·1,550 citations·filing 1978–2022
99Inventor score
Files withHASEGAWA KENICHI18NEC DISPLAY SOLUTIONS LTD12JEOL LTD11NEC MITSUBISHI ELECTRIC VISUAL8FUJITSU LTD7
Top patents by PatentIndex Score
128 records- 0199US7515850B2Sheet conveying apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Apr 7, 2009·54 cites·18 claims
- 0298US7925177B2Image 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
- 0398US7630652B2Image forming apparatus with enhanced maintainabilityRICOH KK·Filed 2007·Granted Dec 8, 2009·46 cites·20 claims
- 0497US5400123AImage forming apparatus capable of erasing an image recorded in a sheetRICOH KK·Filed 1993·Granted Mar 21, 1995·102 cites·29 claims
- 0596US8588670B2Fixing device having a reflector and image forming apparatus incorporating sameSHIMOKAWA TOSHIHIKO·Filed 2011·Granted Nov 19, 2013·17 cites·8 claims
- 0696US8064798B2Fixing device and image forming apparatus with heating member heated uniformly in circumferential directionSHINSHI AKIRA·Filed 2009·Granted Nov 22, 2011·24 cites·16 claims
- 0796US7621500B2Display holding deviceMURAKAMI CORP·Filed 2005·Granted Nov 24, 2009·63 cites·19 claims
- 0896US7070182B2Sheet separating mechanism, fixing device, and image forming apparatusRICOH KK·Filed 2003·Granted Jul 4, 2006·48 cites·12 claims
- 0995US8219016B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Jul 10, 2012·13 cites·19 claims
- 1095US8219015B2Fixing device and image forming apparatus incorporating same which includes a plate spring to press a low-friction sheetSHINSHI AKIRA·Filed 2010·Granted Jul 10, 2012·15 cites·15 claims
- 1195US8160484B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2009·Granted Apr 17, 2012·19 cites·18 claims
- 1295US6591081B2Fixing apparatus including toner releasing agent applying device and image forming apparatus including the same fixing apparatusRICOH KK·Filed 2001·Granted Jul 8, 2003·56 cites·50 claims
- 1395US6496666B2Image forming apparatus and method having an improved heating mechanism in fixing deviceRICOH KK·Filed 2001·Granted Dec 17, 2002·78 cites·22 claims
- 1494US8606135B2Fixing device and image forming apparatus employing the fixing deviceYAMASHINA RYOTA·Filed 2010·Granted Dec 10, 2013·10 cites·18 claims
- 1594US8364052B2Fixing device and image forming apparatus incorporating sameRICOH CO LTD·Filed 2010·Granted Jan 29, 2013·10 cites·7 claims
- 1693US8630572B2Fixing device and image forming apparatus including sameFUJIMOTO IPPEI·Filed 2011·Granted Jan 14, 2014·9 cites·10 claims
- 1792US10114322B2Fixing device and image forming apparatusHASEGAWA KENICHI·Filed 2017·Granted Oct 30, 2018·5 cites·19 claims
- 1892US8498561B2Fixing 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
- 1992US8447221B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2012·Granted May 21, 2013·7 cites·18 claims
- 2092US4635292AImage processorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jan 6, 1987·113 cites·5 claims
- 2191US8311469B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Nov 13, 2012·7 cites·8 claims
- 2291US6131009AFusing device, method and computer readable medium for an image forming apparatus using controlled rotation of fusing and pressure rollersRICOH KK·Filed 1999·Granted Oct 10, 2000·54 cites·13 claims
- 2390US8385804B2Fixing device and image forming apparatus employing the fixing deviceRICOH CO LTD·Filed 2010·Granted Feb 26, 2013·6 cites·13 claims
- 2490US8213827B2Fixing device, image forming apparatus incorporating same, and fixing methodSHINSHI AKIRA·Filed 2010·Granted Jul 3, 2012·6 cites·9 claims
- 2590USD469091SComputer displayNEC MITSUBISHI ELECTRIC VISUAL·Filed 2002·Granted Jan 21, 2003·41 cites·1 claims
- 2689US8433230B2Image forming apparatusSETO TAKASHI·Filed 2011·Granted Apr 30, 2013·5 cites·9 claims
- 2789US8417169B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Apr 9, 2013·4 cites·20 claims
- 2889US6914430B2NMR probeJEOL LTD·Filed 2004·Granted Jul 5, 2005·66 cites·10 claims
- 2988US11054773B2Heater, heating device, fixing device, and image forming apparatusFURUICHI YUUSUKE·Filed 2020·Granted Jul 6, 2021·2 cites·20 claims
- 3088US8737878B2Image forming apparatus including removable fixing deviceYAMAGUCHI YOSHIKI·Filed 2011·Granted May 27, 2014·5 cites·5 claims
- 3188US8406647B2Fixing 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
- 3287US7245143B2Electro-optical device, electronic apparatus, and mounting structureSEIKO EPSON CORP·Filed 2005·Granted Jul 17, 2007·8 cites·10 claims
- 3387US4221317AApparatus for controlling the feed of yarnHIRAOKA KOGYO KK·Filed 1979·Granted Sep 9, 1980·53 cites·1 claims
- 3486US11183949B2Power conversion device with a coolant passageDENSO CORP·Filed 2020·Granted Nov 23, 2021·2 cites·3 claims
- 3586US10054885B2Pressure and pressure relief device, fixing device, and image forming apparatusOKAMOTO JUN·Filed 2017·Granted Aug 21, 2018·3 cites·11 claims
- 3686US8682237B2Fixing device and image forming apparatus including sameISHIGAYA YASUNORI·Filed 2013·Granted Mar 25, 2014·3 cites·3 claims
- 3786US8401448B2Fixing device and image forming apparatus incorporating sameYAMAGUCHI YOSHIKI·Filed 2010·Granted Mar 19, 2013·4 cites·19 claims
- 3885US8249491B2Fixing device and image forming apparatus including sameHIROSE FUMIHIRO·Filed 2011·Granted Aug 21, 2012·4 cites·4 claims
- 3984USD458602SComputer displayNEC MITSUBISHI ELECTRIC VISUAL·Filed 2001·Granted Jun 11, 2002·32 cites·1 claims
- 4083US9128426B2Fixing device and image forming apparatus including sameRICOH CO LTD·Filed 2013·Granted Sep 8, 2015·2 cites·18 claims
- 4183US8553238B2Media separator, fixing device, and image forming apparatusHIROSE FUMIHIRO·Filed 2011·Granted Oct 8, 2013·3 cites·11 claims
- 4282US8655244B2Fixing device and image forming apparatus incorporating sameHASEGAWA KENICHI·Filed 2010·Granted Feb 18, 2014·3 cites·13 claims
- 4382US8472855B2Fixing device and image forming apparatus incorporating sameSHINSHI AKIRA·Filed 2011·Granted Jun 25, 2013·3 cites·11 claims
- 4482US8428502B2Belt-type fixing device and image forming apparatus using sameTOKUDA TETSUO·Filed 2010·Granted Apr 23, 2013·3 cites·12 claims
- 4582US8422901B2Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the sameISHII KENJI·Filed 2011·Granted Apr 16, 2013·3 cites·28 claims
- 4681US8463168B2Fixing device and image forming apparatus including sameFUJIMOTO IPPEI·Filed 2010·Granted Jun 11, 2013·2 cites·21 claims
- 4781US8401414B2Fixing device and image forming apparatus incorporating sameYOSHIKAWA MASAAKI·Filed 2010·Granted Mar 19, 2013·3 cites·16 claims
- 4880US7245126B1NMR method and apparatusJEOL LTD·Filed 2006·Granted Jul 17, 2007·9 cites·3 claims
- 4979US8897688B2Fixing device and image forming apparatusHASEGAWA KENICHI·Filed 2013·Granted Nov 25, 2014·2 cites·17 claims
- 5079US8131198B2Image forming apparatus, fixing unit, and image forming method with improved heating mechanismISHII KENJI·Filed 2006·Granted Mar 6, 2012·6 cites·24 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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