Inventor · disambiguated record
Ken Ikuma
Also filed as: IKUMA KEN
173 granted patents·65 pending applications·875 citations·filing 1993–2022
99Inventor score
Top patents by PatentIndex Score
238 records- 0196US8882965B2Paper recycling system and paper recycling methodYAMAGAMI TOSHIAKI·Filed 2011·Granted Nov 11, 2014·71 cites·7 claims
- 0293US9435078B2Paper recycling device and paper recycling methodSEIKO EPSON CORP·Filed 2015·Granted Sep 6, 2016·10 cites·7 claims
- 0393US7514145B2Method and apparatus for producing resin particles using granulation-prevention agent, and resin particles produced by the methodSEIKO EPSON CORP·Filed 2005·Granted Apr 7, 2009·13 cites·18 claims
- 0492US9636847B2Paper recycling device and paper recycling methodSEIKO EPSON CORP·Filed 2016·Granted May 2, 2017·3 cites·13 claims
- 0592US8300076B2Line head and an image forming apparatus using such a line headNOMURA YUJIRO·Filed 2010·Granted Oct 30, 2012·7 cites·3 claims
- 0692US7590368B2Image forming apparatus and method of cleaning intermediate transfer beltSEIKO EPSON CORP·Filed 2006·Granted Sep 15, 2009·13 cites·3 claims
- 0791US7595140B2Liquid developer and image forming apparatusSEIKO EPSON CORP·Filed 2007·Granted Sep 29, 2009·12 cites·12 claims
- 0890US7486306B2Optical writing device and method of manufacturing the sameSEIKO EPSON CORP·Filed 2005·Granted Feb 3, 2009·10 cites·5 claims
- 0990US7333758B2Image forming apparatusSEIKO EPSON CORP·Filed 2006·Granted Feb 19, 2008·12 cites·18 claims
- 1089US8254818B2Transfer device and image forming apparatus provided with the transfer deviceCHIBA SATOSHI·Filed 2010·Granted Aug 28, 2012·6 cites·16 claims
- 1188US7733364B2Line head and an image forming apparatus using such a line headSEIKO EPSON CORP·Filed 2007·Granted Jun 8, 2010·8 cites·5 claims
- 1288US7415227B2Image forming apparatusSEIKO EPSON CORP·Filed 2005·Granted Aug 19, 2008·10 cites·13 claims
- 1388US7405743B2Image forming method and apparatusSEIKO EPSON CORP·Filed 2006·Granted Jul 29, 2008·10 cites·2 claims
- 1488US7149459B2Application roller and image forming apparatusSEIKO EPSON CORP·Filed 2005·Granted Dec 12, 2006·10 cites·6 claims
- 1587US7564473B2Apparatus for forming latent image using line head and control method for such apparatusSEIKO EPSON CORP·Filed 2006·Granted Jul 21, 2009·8 cites·2 claims
- 1687US7418229B2Fusing unit that stabilizes a contact nip regionSEIKO EPSON CORP·Filed 2005·Granted Aug 26, 2008·9 cites·25 claims
- 1787US7411601B2Exposure headSEIKO EPSON CORP·Filed 2005·Granted Aug 12, 2008·7 cites·2 claims
- 1886US8509662B2Image forming apparatus and image forming method for bringing transfer material held at inner faceTANAKA SHINICHI·Filed 2011·Granted Aug 13, 2013·4 cites·9 claims
- 1986US8059978B2Image forming apparatus and method of controlling image forming apparatusMIZUSHIMA NOBUYUKI·Filed 2008·Granted Nov 15, 2011·10 cites·7 claims
- 2086US7782351B2Exposure headSEIKO EPSON CORP·Filed 2007·Granted Aug 24, 2010·6 cites·3 claims
- 2186US7670732B2Image forming method, liquid developing device, and image forming apparatusSEIKO EPSON CORP·Filed 2007·Granted Mar 2, 2010·9 cites·11 claims
- 2286US7630671B2Developing system that distributes carrier to developer containers in a manner to achieve stable image formationSEIKO EPSON CORP·Filed 2006·Granted Dec 8, 2009·7 cites·3 claims
- 2386US7608376B2Method of manufacturing liquid developer, liquid developer, and image forming apparatusSEIKO EPSON CORP·Filed 2007·Granted Oct 27, 2009·8 cites·14 claims
- 2486US7545399B2Line head and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2007·Granted Jun 9, 2009·8 cites·11 claims
- 2586US7436564B2Light scanning apparatus and method to prevent damage to an oscillation mirror in an abnormal control condition via a detection signal outputted to a controller even though the source still emits lightSEIKO EPSON CORP·Filed 2006·Granted Oct 14, 2008·19 cites·9 claims
- 2685US7123863B2Image forming apparatus with rotary unit that can accommodate a plurality of development cartridgesSEIKO EPSON CORP·Filed 2005·Granted Oct 17, 2006·8 cites·7 claims
- 2784US7626605B2Apparatus for and method of forming image using oscillation mirrorSEIKO EPSON CORP·Filed 2007·Granted Dec 1, 2009·6 cites·7 claims
- 2884US7570892B2Image forming apparatus and control method of that apparatusSEIKO EPSON CORP·Filed 2008·Granted Aug 4, 2009·6 cites·10 claims
- 2984US7391003B2Apparatus and method for adjusting write start position of a scanning light beam of an image forming apparatusSEIKO EPSON CORP·Filed 2006·Granted Jun 24, 2008·7 cites·13 claims
- 3084US7177576B2Apparatus for forming image using liquid developmentSEIKO EPSON CORP·Filed 2005·Granted Feb 13, 2007·8 cites·3 claims
- 3183US7937016B2Transfer device and image forming apparatus including the sameSEIKO EPSON CORP·Filed 2008·Granted May 3, 2011·6 cites·9 claims
- 3283US7835082B2Line head and image forming apparatusSEIKO EPSON CORP·Filed 2008·Granted Nov 16, 2010·11 cites·15 claims
- 3382US7443414B2Apparatus for and method of forming image using oscillation mirrorSEIKO EPSON CORP·Filed 2005·Granted Oct 28, 2008·5 cites·8 claims
- 3481US8194106B2Line head and image forming apparatus using the sameNOMURA YUJIRO·Filed 2009·Granted Jun 5, 2012·5 cites·3 claims
- 3581US7944463B2Light scanning apparatus, image forming apparatus equipped with such light scanning apparatus, and control method or image forming method for such image forming apparatusSEIKO EPSON CORP·Filed 2009·Granted May 17, 2011·7 cites·5 claims
- 3681US6500374B1Method of manufacturing bonded magnets of rare earth metal, and bonded magnet of rare earth metalSEIKO EPSON CORP·Filed 1997·Granted Dec 31, 2002·43 cites·32 claims
- 3779US8005383B2Liquid developer collecting system and image forming apparatus including the sameSEIKO EPSON CORP·Filed 2008·Granted Aug 23, 2011·5 cites·10 claims
- 3879US7899381B2Image formation apparatus and image formation methodSEIKO EPSON CORP·Filed 2009·Granted Mar 1, 2011·5 cites·6 claims
- 3979US7792440B2Image forming apparatus and method that changes toner compression roller condition depending on toner density or recording medium typeSEIKO EPSON CORP·Filed 2006·Granted Sep 7, 2010·6 cites·10 claims
- 4079US6001272AMethod for producing rare earth bond magnet, composition for rare earth bond magnet, and rare earth bond magnetSEIKO EPSON CORP·Filed 1997·Granted Dec 14, 1999·47 cites·32 claims
- 4178US7397486B2Exposure head controller, exposure head and image formation deviceSEIKO EPSON CORP·Filed 2005·Granted Jul 8, 2008·7 cites·5 claims
- 4277US7778562B2Exposure head controller, exposure head and image formation deviceSEIKO EPSON CORP·Filed 2008·Granted Aug 17, 2010·6 cites·7 claims
- 4377US7683922B2Exposure head and an image forming apparatus using the exposure headSEIKO EPSON CORP·Filed 2008·Granted Mar 23, 2010·4 cites·14 claims
- 4477US7444093B2Liquid toner concentration detecting device and method with window in toner container for light passageSEIKO EPSON CORP·Filed 2006·Granted Oct 28, 2008·4 cites·15 claims
- 4577US7327977B2Image forming apparatus and correction method for color registration offsetSEIKO EPSON CORP·Filed 2005·Granted Feb 5, 2008·5 cites·6 claims
- 4676US8023847B2Image forming apparatus and image forming methodSEIKO EPSON CORP·Filed 2009·Granted Sep 20, 2011·4 cites·15 claims
- 4776US7834898B2Image forming device, image forming method, and exposure headSEIKO EPSON CORP·Filed 2008·Granted Nov 16, 2010·4 cites·8 claims
- 4876US7809295B2Color image forming apparatus and method for stabilizing liquid developer viscositySEIKO EPSON CORP·Filed 2007·Granted Oct 5, 2010·4 cites·12 claims
- 4976US7787004B2Line head and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2009·Granted Aug 31, 2010·4 cites·10 claims
- 5076US7787005B2Print head and image forming device using the sameSEIKO EPSON CORP·Filed 2007·Granted Aug 31, 2010·4 cites·16 claims
Showing the top 50 of 238 patent records by PatentIndex Score.
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