Inventor · disambiguated record
Shigeo Fujita
Also filed as: FUJITA SHIGEO · SAITO HAJIME
78 granted patents·12 pending applications·899 citations·filing 1983–2023
99Inventor score
Files withSEIKO EPSON CORP32YAMAMOTO CHEMICALS INC16MITA INDUSTRIAL CO LTD11ASAHI CHEMICAL CO4HONDA MOTOR CO LTD3
Top patents by PatentIndex Score
90 records- 0195US7560859B2Fluorescent material having two layer structure and light emitting apparatus employing the sameSAITO HAJIME·Filed 2005·Granted Jul 14, 2009·56 cites·18 claims
- 0293US10100466B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2016·Granted Oct 16, 2018·6 cites·11 claims
- 0393US9856104B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 2, 2018·6 cites·7 claims
- 0493US7348600B2Nitride semiconductor device, and its fabrication processNICHIA CORP·Filed 2003·Granted Mar 25, 2008·45 cites·14 claims
- 0591US7058103B2Light-emitting apparatus, phosphor, and method of producing itSHARP KK·Filed 2003·Granted Jun 6, 2006·43 cites·20 claims
- 0689US6790113B1Method and apparatus for making spark plugNGK SPARK PLUG CO·Filed 2000·Granted Sep 14, 2004·28 cites·21 claims
- 0788US11008707B2Sheet manufacturing apparatus, sheet manufacturing system, control method of a sheet manufacturing apparatus, and sheet manufacturing methodSEIKO EPSON CORP·Filed 2018·Granted May 18, 2021·4 cites·11 claims
- 0886US10619302B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 14, 2020·2 cites·7 claims
- 0986US5426485ACleaning device for a transfer belt of an image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1993·Granted Jun 20, 1995·34 cites·9 claims
- 1085US10137614B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2015·Granted Nov 27, 2018·2 cites·3 claims
- 1185US5283513ABattery charging device for electric vehiclesHONDA MOTOR CO LTD·Filed 1992·Granted Feb 1, 1994·109 cites·13 claims
- 1283US6334638B1Attachment structure for bumper beamHONDA MOTOR CO LTD·Filed 2000·Granted Jan 1, 2002·40 cites·6 claims
- 1382US11452963B2Dust collectorSEIKO EPSON CORP·Filed 2020·Granted Sep 27, 2022·1 cites·8 claims
- 1482US9328461B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2014·Granted May 3, 2016·5 cites·10 claims
- 1581US6066729APhotothermal conversion materialYAMAMOTO CHEMICALS INC·Filed 1998·Granted May 23, 2000·20 cites·10 claims
- 1679US8287760B2Light-emitting apparatus, phosphorescent portion, and method of producing the sameISHIDA MASAYA·Filed 2010·Granted Oct 16, 2012·3 cites·4 claims
- 1779US6554444B2Gazing point illuminating deviceKANSAI TECH LICENSING ORG CO·Filed 2001·Granted Apr 29, 2003·112 cites·10 claims
- 1879US6468713B1Phthalocyanine compounds, process for producing the same, and near infrared absorbent comprising the sameYAMAMOTO CHEMICALS INC·Filed 2000·Granted Oct 22, 2002·13 cites·14 claims
- 1979US5669054AMulti-directional driving mechanism and transfer device for an image forming machine using such mechanismMITA INDUSTRIAL CO LTD·Filed 1995·Granted Sep 16, 1997·29 cites·7 claims
- 2077US7209694B2Image forming apparatus having a medium transporting belt formed in an endless shape and having a first and second regionSEIKO EPSON CORP·Filed 2006·Granted Apr 24, 2007·4 cites·6 claims
- 2177US5689758AImage-transfer and sheet-separation apparatusMITA INDUSTRIAL CO LTD·Filed 1995·Granted Nov 18, 1997·23 cites·48 claims
- 2276US7463859B2Waste toner transporting device with screw for transporting waste toner to waste toner discharge portSEIKO EPSON CORP·Filed 2006·Granted Dec 9, 2008·4 cites·10 claims
- 2376US6876009B2Nitride semiconductor device and a process of manufacturing the sameNICHIA CORP·Filed 2002·Granted Apr 5, 2005·18 cites·34 claims
- 2475US6766124B2Image forming apparatus and image forming method having speed control to improve throughputSEIKO EPSON CORP·Filed 2003·Granted Jul 20, 2004·15 cites·16 claims
- 2574US9540768B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 10, 2017·1 cites·8 claims
- 2674US5408300AImage-transfer and sheet-separation apparatusMITA INDUSTRIAL CO LTD·Filed 1992·Granted Apr 18, 1995·18 cites·19 claims
- 2773US7113733B2Image forming apparatus with moveable cleaning or transfer memberSEIKO EPSON CORP·Filed 2003·Granted Sep 26, 2006·8 cites·35 claims
- 2871US7700001B2Light-emitting apparatus, phosphor and method of producing itSHARP KK·Filed 2008·Granted Apr 20, 2010·2 cites·1 claims
- 2969US10145046B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2014·Granted Dec 4, 2018·2 cites·6 claims
- 3067US7133631B2Transfer device, with transfer pressure controlSEIKO EPSON CORP·Filed 2004·Granted Nov 7, 2006·9 cites·2 claims
- 3166US9982391B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2015·Granted May 29, 2018·1 cites·4 claims
- 3266US7239835B2Image forming apparatus with contact/separation mechanismSEIKO EPSON CORP·Filed 2006·Granted Jul 3, 2007·2 cites·3 claims
- 3363US9334590B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2014·Granted May 10, 2016·1 cites·12 claims
- 3463US5233394ATransfer device for use in an image forming apparatusMITA INDUSTRIAL CO LTD·Filed 1992·Granted Aug 3, 1993·14 cites·8 claims
- 3562US8786986B2Head-slider including thin-film magnetic-recording head having reduced thermal protrusionFUJITA SHIGEO·Filed 2009·Granted Jul 22, 2014·1 cites·6 claims
- 3661US7581998B2Method for regulating aground electrode position in spark plugNGK SPARK PLUG CO·Filed 2005·Granted Sep 1, 2009·4 cites·9 claims
- 3761US7485404B2Nonsolvate-form crystal of polymethine compound and process for producing the sameYAMAMOTO CHEMICALS INC·Filed 2004·Granted Feb 3, 2009·2 cites·10 claims
- 3860US5294818AMISFET including GaAs substrate and a Group II-VI gate insulatorMURATA MANUFACTURING CO·Filed 1992·Granted Mar 15, 1994·19 cites·4 claims
- 3960US2021361986A1Sheet-like filter, mask, and sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2021·Application pending·0 cites
- 4059US2023383463A1Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 4158US5574550ATransfer device for image forming machineMITA INDUSTRIAL CO LTD·Filed 1995·Granted Nov 12, 1996·13 cites·3 claims
- 4258US2010030530A1Method of searching for ligandASTELLAS PHARMA INC·Filed 2007·Application pending·0 cites
- 4357US9890005B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2016·Granted Feb 13, 2018·0 cites·4 claims
- 4457US9617103B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2015·Granted Apr 11, 2017·0 cites·8 claims
- 4557US7446212B2Polymethine ethersYAMAMOTO CHEMICALS INC·Filed 2004·Granted Nov 4, 2008·2 cites·7 claims
- 4657US7085523B2Image forming apparatus having a medium transporting belt formed in an endless shapeSEIKO EPSON CORP·Filed 2003·Granted Aug 1, 2006·5 cites·5 claims
- 4757US6342335B1Polymethine compounds, method of producing same, and use thereofYAMAMOTO CHEMICALS INC·Filed 2000·Granted Jan 29, 2002·15 cites·15 claims
- 4856US8335057B2CPP magnetoresistive headOSUGI MASAHIRO·Filed 2009·Granted Dec 18, 2012·0 cites·19 claims
- 4956US7709660B2Polymethine ether compoundsYAMAMOTO CHEMICALS INC·Filed 2008·Granted May 4, 2010·0 cites·2 claims
- 5056US6261737B1Polymethine compounds, method of producing same, and use thereofYAMAMOTO CHEMICALS INC·Filed 1999·Granted Jul 17, 2001·6 cites·10 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →