Inventor · disambiguated record
Tetsuya Fujioka
Also filed as: FUJIOKA TETSUYA
80 granted patents·10 pending applications·818 citations·filing 1988–2021
99Inventor score
Top patents by PatentIndex Score
90 records- 0195US9091908B2Image projection apparatusYAMADA MASAMICHI·Filed 2012·Granted Jul 28, 2015·11 cites·5 claims
- 0295US8985786B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Mar 24, 2015·14 cites·6 claims
- 0395US5297376AFinisher for an image forming apparatusRICOH KK·Filed 1992·Granted Mar 29, 1994·54 cites·34 claims
- 0491US9010940B2Image projection apparatusRICOH CO LTD·Filed 2014·Granted Apr 21, 2015·6 cites·20 claims
- 0588US5255904AFeeder or image forming apparatusRICOH KK·Filed 1991·Granted Oct 26, 1993·35 cites·24 claims
- 0688US4885466ACorona wire cleaning device utilizing a position detection systemRICOH KK·Filed 1988·Granted Dec 5, 1989·43 cites·4 claims
- 0787US9541818B2Cooling device, cooling structure, image projection device, and electronic deviceMIKAWA AKIHISA·Filed 2015·Granted Jan 10, 2017·5 cites·10 claims
- 0887US9004697B2Image projection apparatusRICOH CO LTD·Filed 2014·Granted Apr 14, 2015·4 cites·9 claims
- 0985US9864262B2Image projection device and image projection method to control an illumination area based on movement of image generating unitFUJIOKA TETSUYA·Filed 2015·Granted Jan 9, 2018·4 cites·11 claims
- 1085US8882277B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Nov 11, 2014·5 cites·11 claims
- 1185US5471277ABook document reading device having a page turning capabilityRICOH KK·Filed 1994·Granted Nov 28, 1995·67 cites·24 claims
- 1284US9052580B2Outer housing for an image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Jun 9, 2015·5 cites·6 claims
- 1384US5610720ABook document reading device having a page turning capabilityRICOH KK·Filed 1994·Granted Mar 11, 1997·65 cites·4 claims
- 1483US9423676B2Lighting unit and image projectorTSUCHIYA SATOSHI·Filed 2014·Granted Aug 23, 2016·4 cites·5 claims
- 1583US5414481AImage projector and image forming apparatus for image projectionRICOH KK·Filed 1994·Granted May 9, 1995·23 cites·8 claims
- 1682US10557436B2Method and device for controlling fuel injection of diesel engineMAZDA MOTOR·Filed 2018·Granted Feb 11, 2020·2 cites·8 claims
- 1782US5390033AMethod and apparatus for turning over pages of book-originalRICOH KK·Filed 1991·Granted Feb 14, 1995·49 cites·20 claims
- 1881US5325213AImage reader and book document reader with a page turning capability for an image forming apparatusRICOH KK·Filed 1992·Granted Jun 28, 1994·54 cites·19 claims
- 1980US9010939B2Image projection apparatusFUJIOKA TETSUYA·Filed 2012·Granted Apr 21, 2015·3 cites·8 claims
- 2080US5847845ABook document reading deviceRICOH KK·Filed 1995·Granted Dec 8, 1998·58 cites·7 claims
- 2180US5583662ABook document reading device having a page turning capabilityRICOH KK·Filed 1994·Granted Dec 10, 1996·49 cites·39 claims
- 2280US5224693AMultistage paper feeding/conveying apparatus and method that uses electro static forcesRICOH KK·Filed 1991·Granted Jul 6, 1993·26 cites·9 claims
- 2379US11181069B2Diesel engine systemMAZDA MOTOR·Filed 2020·Granted Nov 23, 2021·1 cites·6 claims
- 2479US6836633B2Optical scanning device and image forming apparatus including the optical scanning deviceRICOH KK·Filed 2002·Granted Dec 28, 2004·17 cites·34 claims
- 2579US5689348ABook document reading deviceRICOH KK·Filed 1995·Granted Nov 18, 1997·25 cites·6 claims
- 2678US9423677B2Cooling structure, image projection apparatus, electronic device, and cooling deviceMIKAWA AKIHISA·Filed 2014·Granted Aug 23, 2016·3 cites·8 claims
- 2778US8194255B2Image forming apparatusANDOH TAKAYUKI·Filed 2008·Granted Jun 5, 2012·5 cites·17 claims
- 2876US9952486B2High resolution image projection apparatus with horizontally actuated image generation unitMIKAWA AKIHISA·Filed 2016·Granted Apr 24, 2018·2 cites·10 claims
- 2976US8600288B2Image forming apparatusSHIRAKI TAKAMASA·Filed 2008·Granted Dec 3, 2013·5 cites·15 claims
- 3076US5682227ARoyalty accounting system for a book copierRICOH KK·Filed 1994·Granted Oct 28, 1997·41 cites·42 claims
- 3175US9291883B2Image projection apparatusRICOH CO LTD·Filed 2015·Granted Mar 22, 2016·1 cites·7 claims
- 3275US9004696B1Image projection apparatusMIKAWA AKIHISA·Filed 2014·Granted Apr 14, 2015·2 cites·22 claims
- 3374US9329463B2Image projection apparatusRICOH CO LTD·Filed 2015·Granted May 3, 2016·1 cites·28 claims
- 3474US9075297B2Image projection apparatusRICOH CO LTD·Filed 2014·Granted Jul 7, 2015·1 cites·21 claims
- 3572US9713282B2Cooling apparatus, image projection apparatus, and electronic deviceMIKAWA AKIHISA·Filed 2015·Granted Jul 18, 2017·2 cites·9 claims
- 3672US8339682B2Lighting device for use in an optical scanning unit, of an image readerKAWAMURA KAZUSHIGE·Filed 2009·Granted Dec 25, 2012·3 cites·20 claims
- 3771US7937028B2Image forming apparatuses having specialized toner structures and materialsRICOH CO LTD·Filed 2009·Granted May 3, 2011·3 cites·16 claims
- 3868US8253987B2Image reader and image forming apparatus including the image readerFUJIOKA TETSUYA·Filed 2009·Granted Aug 28, 2012·2 cites·13 claims
- 3968US7894106B2Image reading device and image forming apparatusRICOH CO LTD·Filed 2006·Granted Feb 22, 2011·2 cites·12 claims
- 4067US6075624AMethod and apparatus for turning over pages of book-originalRICOH KK·Filed 1994·Granted Jun 13, 2000·22 cites·43 claims
- 4166US9964733B2Holding structure for holding reflecting mirror, projection optical system unit, optical engine, and image projecting apparatusFUJIOKA TETSUYA·Filed 2016·Granted May 8, 2018·1 cites·8 claims
- 4266US9778551B2Illumination optical system, optical engine, and image projection apparatusTSUCHIYA SATOSHI·Filed 2016·Granted Oct 3, 2017·1 cites·6 claims
- 4366US9625797B2Projection optical device and image projection apparatusTSUCHIYA SATOSHI·Filed 2014·Granted Apr 18, 2017·1 cites·10 claims
- 4466US9411216B2Projector with intake ducts provided in a case thereofYAMADA MASAMICHI·Filed 2014·Granted Aug 9, 2016·1 cites·7 claims
- 4566US5583607AImage forming apparatus having book reading and page turning capabilitiesRICOH KK·Filed 1996·Granted Dec 10, 1996·33 cites·13 claims
- 4665US10277871B2Image formation unit and image projection apparatusMIKAWA AKIHISA·Filed 2015·Granted Apr 30, 2019·1 cites·16 claims
- 4765US9961310B2Image projection apparatusRICOH CO LTD·Filed 2015·Granted May 1, 2018·1 cites·5 claims
- 4865US9033514B2Image projection apparatusRICOH CO LTD·Filed 2013·Granted May 19, 2015·1 cites·12 claims
- 4964US9829671B2Projection lens unit, optical engine, and image projecting apparatusTSUCHIYA SATOSHI·Filed 2016·Granted Nov 28, 2017·1 cites·9 claims
- 5062US10012893B2Image projection apparatusRICOH CO LTD·Filed 2017·Granted Jul 3, 2018·0 cites·2 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 →