Inventor · disambiguated record
Kazutoshi Fujisawa
Also filed as: FUJISAWA KAZUTOSHI
46 granted patents·10 pending applications·407 citations·filing 1991–2024
98Inventor score
Files withSEIKO EPSON CORP45FUJISAWA KAZUTOSHI6TOKYO OHKA KOGYO CO LTD2USUDA HIDENORI2SHIMIZU KAZUTOSHI1
Top patents by PatentIndex Score
56 records- 0197US9016849B2Electromagnetic wave irradiation device and image formation apparatusSEIKO EPSON CORP·Filed 2013·Granted Apr 28, 2015·17 cites·10 claims
- 0296US8021139B2Three-dimensional object forming apparatus and method for forming three dimensional objectSEIKO EPSON CORP·Filed 2010·Granted Sep 20, 2011·18 cites·14 claims
- 0394US8480195B2Printing device and printing methodFUJISAWA KAZUTOSHI·Filed 2010·Granted Jul 9, 2013·9 cites·8 claims
- 0494US8353590B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2010·Granted Jan 15, 2013·7 cites·5 claims
- 0591US8616697B2Electromagnetic wave irradiation device and image formation apparatusFUJISAWA KAZUTOSHI·Filed 2012·Granted Dec 31, 2013·6 cites·16 claims
- 0691US6185380B1Image forming apparatus having independent recording media discharge passagesSEIKO EPSON CORP·Filed 2000·Granted Feb 6, 2001·29 cites·8 claims
- 0790US7862320B2Three-dimensional object forming apparatus and method for forming three dimensional objectSEIKO EPSON CORP·Filed 2008·Granted Jan 4, 2011·11 cites·13 claims
- 0889US6114411AInk composition for ink jet recording and ink jet recording processSEIKO EPSON CORP·Filed 1996·Granted Sep 5, 2000·59 cites·2 claims
- 0988US9022514B2Printing apparatus and printing methodSEIKO EPSON CORP·Filed 2014·Granted May 5, 2015·5 cites·8 claims
- 1086US6459877B1Fixing device which prevents damage to a fixing beltSEIKO EPSON CORP·Filed 2000·Granted Oct 1, 2002·23 cites·35 claims
- 1184US6505028B1Image forming apparatus and fixing device for use with the sameSEIKO EPSON CORP·Filed 2000·Granted Jan 7, 2003·22 cites·36 claims
- 1283US5997136AInk jet recording method and apparatus thereforSEIKO EPSON CORP·Filed 1995·Granted Dec 7, 1999·51 cites·21 claims
- 1379US7177560B2Method of warming fixing device, method of determining humidity value used in image formation apparatus, and image formation apparatusSEIKO EPSON CORP·Filed 2004·Granted Feb 13, 2007·16 cites·16 claims
- 1478US8465145B2Fluid ejecting apparatus and image formation methodUSUDA HIDENORI·Filed 2011·Granted Jun 18, 2013·2 cites·4 claims
- 1577US7149463B2Fixing deviceSEIKO EPSON CORP·Filed 2003·Granted Dec 12, 2006·14 cites·5 claims
- 1676US6574449B2Image forming apparatus, and fixing device for use with the sameSEIKO EPSON CORP·Filed 2002·Granted Jun 3, 2003·14 cites·9 claims
- 1774US11865842B2Cleaning unit, liquid ejecting apparatus, and method for replacing cleaning unitSEIKO EPSON CORP·Filed 2022·Granted Jan 9, 2024·0 cites·11 claims
- 1874US8240837B2Fluid ejecting apparatus and image formation methodUSUDA HIDENORI·Filed 2009·Granted Aug 14, 2012·3 cites·5 claims
- 1974US6078760AImage forming apparatus having an inverse and re-fixing sub-modeSEIKO EPSON CORP·Filed 1998·Granted Jun 20, 2000·20 cites·26 claims
- 2073US12377665B2Printing deviceSEIKO EPSON CORP·Filed 2023·Granted Aug 5, 2025·0 cites·13 claims
- 2173US8454117B2Liquid ejecting apparatusSHIMIZU KAZUTOSHI·Filed 2010·Granted Jun 4, 2013·2 cites·5 claims
- 2273US8297729B2Printing device and printing methodFUJISAWA KAZUTOSHI·Filed 2010·Granted Oct 30, 2012·2 cites·5 claims
- 2373US6839537B2Fixing deviceSEIKO EPSON CORP·Filed 2003·Granted Jan 4, 2005·16 cites·8 claims
- 2472US8636354B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2012·Granted Jan 28, 2014·1 cites·6 claims
- 2568US9199471B2Liquid discharge apparatusSEIKO EPSON CORP·Filed 2014·Granted Dec 1, 2015·1 cites·7 claims
- 2668US8936360B2Image forming apparatusFUJISAWA KAZUTOSHI·Filed 2012·Granted Jan 20, 2015·1 cites·5 claims
- 2764US7639978B2Belt nip type fixing device for image forming apparatus that varies a winding amount of a belt around a heating rollerSEIKO EPSON CORP·Filed 2006·Granted Dec 29, 2009·2 cites·7 claims
- 2864US6792236B2Fixing device for an image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 14, 2004·7 cites·41 claims
- 2961US8991999B2Liquid ejecting apparatusSEIKO EPSON CORP·Filed 2013·Granted Mar 31, 2015·0 cites·5 claims
- 3061US5987294AToner fixing apparatusSEIKO EPSON CORP·Filed 1998·Granted Nov 16, 1999·14 cites·27 claims
- 3158US7187896B2Fixing deviceSEIKO EPSON CORP·Filed 2006·Granted Mar 6, 2007·1 cites·2 claims
- 3257US8967748B2Printing device and printing methodSEIKO EPSON CORP·Filed 2013·Granted Mar 3, 2015·0 cites·7 claims
- 3357US7558498B2Fixing unit for an image forming apparatus controlling plural coils in rotating heating bodiesSEIKO EPSON CORP·Filed 2005·Granted Jul 7, 2009·1 cites·9 claims
- 3456US5344536AMethod of and apparatus for processing a workpiece in plasmaTOKYO OHKA KOGYO CO LTD·Filed 1992·Granted Sep 6, 1994·18 cites·20 claims
- 3555US12447756B2Printing apparatusSEIKO EPSON CORP·Filed 2023·Granted Oct 21, 2025·0 cites·15 claims
- 3655US2025162332A1Printing apparatusSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 3753US2009004381A1Three-dimensional molding apparatus and three-dimensional molding methodSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 3852US5313248AHeat protection of photosensitive elements in image formation apparatusSEIKO EPSON CORP·Filed 1991·Granted May 17, 1994·3 cites·17 claims
- 3952US2024208246A1Printing device and printing methodSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4052US2024208245A1Printing device and printing methodSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4151US10654291B2Printing apparatusSEIKO EPSON CORP·Filed 2019·Granted May 19, 2020·0 cites·2 claims
- 4250US8807733B2Electromagnetic irradiation device and image forming apparatusFUJISAWA KAZUTOSHI·Filed 2012·Granted Aug 19, 2014·0 cites·14 claims
- 4348US7097898B2Printed article and production method of the sameSEIKO EPSON CORP·Filed 2002·Granted Aug 29, 2006·2 cites·12 claims
- 4446US11007798B2Printing apparatusSEIKO EPSON CORP·Filed 2020·Granted May 18, 2021·0 cites·4 claims
- 4546US2010079569A1Fluid ejecting device and image forming methodSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 4646US2010141696A1Ejecting method and ejecting apparatusSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 4744US9610783B2Light irradiation device and printing apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 4, 2017·0 cites·20 claims
- 4843US10654277B2Printing apparatusSEIKO EPSON CORP·Filed 2017·Granted May 19, 2020·0 cites·4 claims
- 4942US8789910B2Image formation apparatusFUJISAWA KAZUTOSHI·Filed 2012·Granted Jul 29, 2014·0 cites·9 claims
- 5041US7092665B2Fixing apparatus having an exfoliating member and a restricting memberSEIKO EPSON CORP·Filed 2003·Granted Aug 15, 2006·1 cites·12 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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