Inventor · disambiguated record
Toshiaki Tokita
Also filed as: TOKITA TOSHIAKI
44 granted patents·6 pending applications·600 citations·filing 1988–2024
98Inventor score
Top patents by PatentIndex Score
50 records- 0196US6919982B2Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereofRICOH KK·Filed 2003·Granted Jul 19, 2005·82 cites·52 claims
- 0295US7245430B2Method and apparatus for displaying three-dimensional stereo image using light deflectorRICOH KK·Filed 2004·Granted Jul 17, 2007·91 cites·9 claims
- 0394US7753531B2Image display apparatus and projection optical systemRICOH KK·Filed 2005·Granted Jul 13, 2010·27 cites·16 claims
- 0491US8922863B2Optical scanning device and image forming apparatusTOKITA TOSHIAKI·Filed 2012·Granted Dec 30, 2014·8 cites·10 claims
- 0591US8368736B2Optical scanning device and image forming apparatusRICOH CO LTD·Filed 2010·Granted Feb 5, 2013·7 cites·18 claims
- 0691US7857458B2Image display device and image projection deviceRICOH CO LTD·Filed 2005·Granted Dec 28, 2010·11 cites·12 claims
- 0791US5619765ADevice for removing a film-like image forming substanceRICOH KK·Filed 1995·Granted Apr 15, 1997·56 cites·24 claims
- 0883US8559053B2Optical scanning device and image forming deviceSAISHO KENICHIROH·Filed 2011·Granted Oct 15, 2013·6 cites·20 claims
- 0982US10241333B2Light guide, virtual image display device, and light guide unitNAKAMURA NAOKI·Filed 2016·Granted Mar 26, 2019·4 cites·16 claims
- 1082US8848013B2Optical scanning device and image forming apparatus including a plurality of scanned membersSAISHO KENICHIROH·Filed 2011·Granted Sep 30, 2014·6 cites·9 claims
- 1182US8456726B2Light scanning device, and image forming apparatus having the sameWATANABE NAOTO·Filed 2011·Granted Jun 4, 2013·6 cites·10 claims
- 1282US5638842ADevice for removing a film-like image forming substance from a recording mediumRICOH KK·Filed 1995·Granted Jun 17, 1997·37 cites·11 claims
- 1381US8531766B2Polarization-separation device, optical scanning apparatus, and image forming apparatusTOKITA TOSHIAKI·Filed 2010·Granted Sep 10, 2013·6 cites·25 claims
- 1480US5459701AMagneto-optical recording methodRICOH KK·Filed 1992·Granted Oct 17, 1995·29 cites·7 claims
- 1579US5769957ARegenerating method and apparatus of image holding supporting memberRICOH KK·Filed 1995·Granted Jun 23, 1998·32 cites·17 claims
- 1678US7787001B2Image processing apparatus, image display apparatus, image processing method, and computer productRICOH KK·Filed 2006·Granted Aug 31, 2010·4 cites·7 claims
- 1778US5430696AMagneto-optical recording mediumRICOH KK·Filed 1994·Granted Jul 4, 1995·22 cites·4 claims
- 1876US7929071B2Electric field generating device comprising an electric field generating resistor and line electrodes, light deflecting device having the same, and image display apparatus having the sameRICOH CO LTD·Filed 2007·Granted Apr 19, 2011·3 cites·16 claims
- 1976US5103422AThree-dimensional magnetic memory medium and method for initial setting thereofRICOH COMPNAY LTD·Filed 1988·Granted Apr 7, 1992·34 cites·11 claims
- 2075US5420833AMagneto-optical recording medium having first and second magnetic layersRICOH KK·Filed 1993·Granted May 30, 1995·24 cites·8 claims
- 2172US7733317B2Image display apparatus and alternative current drive methodRICOH KK·Filed 2005·Granted Jun 8, 2010·2 cites·1 claims
- 2271US7889224B2Optical path switching device, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Feb 15, 2011·3 cites·9 claims
- 2370US5643380AMethod of recycling image-deposited recording material and apparatus for recycling the sameRICOH KK·Filed 1995·Granted Jul 1, 1997·27 cites·68 claims
- 2469US8351118B2Polarization splitting device, method of manufacturing polarization beam splitter, optical scanning device, and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jan 8, 2013·4 cites·16 claims
- 2568US8848009B2Optical scanning device and image forming apparatusWATANABE NAOTO·Filed 2012·Granted Sep 30, 2014·2 cites·12 claims
- 2668US8162485B2Intermediate image formation optical system, image formation device, and methods thereofTAKAURA ATSUSHI·Filed 2006·Granted Apr 24, 2012·2 cites·14 claims
- 2768US7345733B2Light deflection element, light deflection device and image display deviceRICOH COMAPNY LTD·Filed 2006·Granted Mar 18, 2008·2 cites·19 claims
- 2868US7310181B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2006·Granted Dec 18, 2007·2 cites·13 claims
- 2967US7489383B2Optical axis deflecting method, optical axis deflecting element, optical path deflecting unit, method of driving optical axis deflecting element, and image display apparatusRICOH KK·Filed 2006·Granted Feb 10, 2009·1 cites·20 claims
- 3063US2024321453A1Information processing apparatus, information processing system, and information processing methodFUNAHASHI KAZUKI·Filed 2024·Application pending·0 cites
- 3161US7038835B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2003·Granted May 2, 2006·6 cites·21 claims
- 3260US7495831B2Optical device, display device, and three-dimension image display device for changing a polarization state of a light beam in timeRICOH KK·Filed 2005·Granted Feb 24, 2009·2 cites·34 claims
- 3359US5487046AMagneto-optical recording medium having two magnetic layers with the same curie temperatureRICOH KK·Filed 1994·Granted Jan 23, 1996·10 cites·1 claims
- 3458US8158020B2Liquid crystal element, optical path deflecting element, and image displaying apparatusTAKANO YOHEI·Filed 2007·Granted Apr 17, 2012·1 cites·1 claims
- 3558US7057700B2Light deflection element, light deflection device and image display deviceRICOH KK·Filed 2002·Granted Jun 6, 2006·5 cites·5 claims
- 3657US5323366AMagneto-optical recording method with switching and maintaining perpendicular magnetization light beam application modesRICOH KK·Filed 1993·Granted Jun 21, 1994·11 cites·5 claims
- 3756US9925798B2Optical scanning apparatus and image forming deviceWATANABE NAOTO·Filed 2017·Granted Mar 27, 2018·0 cites·9 claims
- 3855US7304705B2Imaging unit, optical write unit, optical read unit and image forming apparatusRICOH KK·Filed 2003·Granted Dec 4, 2007·5 cites·24 claims
- 3954US9625711B2Optical scanning apparatus and image forming deviceWATANABE NAOTO·Filed 2012·Granted Apr 18, 2017·0 cites·14 claims
- 4054US2023304922A1Spectroscope and analysis systemTATEBE TETSUROH·Filed 2023·Application pending·0 cites
- 4154US2024164673A1Health status management system, information processing apparatus, and information processing methodFUNAHASHI KAZUKI·Filed 2023·Application pending·0 cites
- 4250US8786658B2Exposure device and image forming apparatusKUBO NOBUAKI·Filed 2013·Granted Jul 22, 2014·0 cites·8 claims
- 4349US5337293AMagneto-optical recording method and recording medium for use in the sameRICOH KK·Filed 1992·Granted Aug 9, 1994·6 cites·1 claims
- 4446US5736265AMagneto-optical recording medium and recording method using the sameRICOH KK·Filed 1994·Granted Apr 7, 1998·10 cites·4 claims
- 4546US2015092994A1Eligible operator determination device and eligible operator determination methodMASUDA KOJI·Filed 2014·Application pending·0 cites
- 4644US7564508B2Light path shift device and image display deviceRICOH KK·Filed 2006·Granted Jul 21, 2009·0 cites·7 claims
- 4743US2002135729A1Light deflection element, light deflection device and image display deviceFiled 2002·Application pending·0 cites
- 4842US8928716B2Optical scanning device and image forming apparatus in which a plurality of scanning optical systems except one include a reflecting mirrorNAKAMURA TADASHI·Filed 2013·Granted Jan 6, 2015·0 cites·13 claims
- 4942US5369629AMagneto-optical recording method and magneto-optical recording mediumRICOH KK·Filed 1992·Granted Nov 29, 1994·4 cites·2 claims
- 5034US2015301690A1Input-operation detection device, image display apparatus, projector apparatus and projector systemMASUDA KOJI·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →