Inventor · disambiguated record
Yasuyuki Takiguchi
Also filed as: TAKIGUCHI YASUYUKI
40 granted patents·1 pending application·1,307 citations·filing 1988–2007
98Inventor score
Top patents by PatentIndex Score
41 records- 0196US7322700B2Image display apparatusRICOH KK·Filed 2006·Granted Jan 29, 2008·41 cites·13 claims
- 0296US6919982B2Optical 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
- 0395US6497488B1Illumination system and projectorRICOH KK·Filed 2000·Granted Dec 24, 2002·80 cites·37 claims
- 0494US4921728AProcess of making a liquid crystal elementRICOH KK·Filed 1989·Granted May 1, 1990·154 cites·4 claims
- 0592US5250214ALiquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymerRICOH KK·Filed 1991·Granted Oct 5, 1993·88 cites·13 claims
- 0691US7857458B2Image display device and image projection deviceRICOH CO LTD·Filed 2005·Granted Dec 28, 2010·11 cites·12 claims
- 0788US5380459ALiquid crystal display device with improved viewing angle dependence of colorRICOH KK·Filed 1991·Granted Jan 10, 1995·62 cites·9 claims
- 0886US5132147AMethod for orienting a liquid crystalline polymerNIPPON OIL CO LTD·Filed 1990·Granted Jul 21, 1992·76 cites·7 claims
- 0983US4984873ALiquid crystal display deviceRICOH KK·Filed 1988·Granted Jan 15, 1991·55 cites·1 claims
- 1082US5408344AReflection type liquid crystal display with selective reflecting meansRICOH COMPANY INC·Filed 1994·Granted Apr 18, 1995·60 cites·18 claims
- 1181US5496497ALiquid crystal prepolymer composition and liquid crystal display device using the sameRICOH KK·Filed 1994·Granted Mar 5, 1996·38 cites·28 claims
- 1281US5472635APhase plate and liquid crystal display using sameNIPPON OIL CO LTD·Filed 1994·Granted Dec 5, 1995·39 cites·2 claims
- 1379US7125121B2Image display apparatusRICOH KK·Filed 2003·Granted Oct 24, 2006·15 cites·36 claims
- 1478US7787001B2Image processing apparatus, image display apparatus, image processing method, and computer productRICOH KK·Filed 2006·Granted Aug 31, 2010·4 cites·7 claims
- 1577US5184237ASuper-twisted nematic type liquid crystal display deviceRICOH KK·Filed 1991·Granted Feb 2, 1993·47 cites·15 claims
- 1677US5175638AECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directionsRICOH KK·Filed 1992·Granted Dec 29, 1992·48 cites·4 claims
- 1776US5493429AColor liquid crystal device having thickness controlling layers disposed at non-pixel portions and between adjacent color filtersRICOH KK·Filed 1993·Granted Feb 20, 1996·39 cites·5 claims
- 1875US5056896ALiquid crystal display device with dielectric anisotropyRICOH KK·Filed 1989·Granted Oct 15, 1991·36 cites·5 claims
- 1973US5064697ASubstrate with a liquid crystal polymeric thin film and method for manufacturing the sameRICOH KK·Filed 1990·Granted Nov 12, 1991·39 cites·10 claims
- 2072US7733317B2Image display apparatus and alternative current drive methodRICOH KK·Filed 2005·Granted Jun 8, 2010·2 cites·1 claims
- 2172US5150237ALiquid crystal display elementRICOH KK·Filed 1990·Granted Sep 22, 1992·38 cites·8 claims
- 2271US6061042ALiquid crystal display deviceRICOH KK·Filed 1998·Granted May 9, 2000·40 cites·71 claims
- 2370US5243451ADAP type liquid crystal device with cholesteric liquid crystal birefringent layerRICOH KK·Filed 1993·Granted Sep 7, 1993·35 cites·8 claims
- 2468US8162485B2Intermediate image formation optical system, image formation device, and methods thereofTAKAURA ATSUSHI·Filed 2006·Granted Apr 24, 2012·2 cites·14 claims
- 2568US7345733B2Light deflection element, light deflection device and image display deviceRICOH COMAPNY LTD·Filed 2006·Granted Mar 18, 2008·2 cites·19 claims
- 2668US7310181B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2006·Granted Dec 18, 2007·2 cites·13 claims
- 2768US5326496ACompensator for liquid crystal displayNIPPON OIL CO LTD·Filed 1993·Granted Jul 5, 1994·22 cites·11 claims
- 2865US7336411B2Spatial light modulator and display deviceRICOH KK·Filed 2004·Granted Feb 26, 2008·6 cites·25 claims
- 2965US5969780APlastic color filter manufacturing method and color filter manufactured in the manufacturing methodRICOH KK·Filed 1998·Granted Oct 19, 1999·34 cites·42 claims
- 3061US7038835B2Optical deflection device and optical deflection method that control occurrence of alignment defectRICOH KK·Filed 2003·Granted May 2, 2006·6 cites·21 claims
- 3160US7495831B2Optical 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
- 3258US8158020B2Liquid crystal element, optical path deflecting element, and image displaying apparatusTAKANO YOHEI·Filed 2007·Granted Apr 17, 2012·1 cites·1 claims
- 3358US7057700B2Light deflection element, light deflection device and image display deviceRICOH KK·Filed 2002·Granted Jun 6, 2006·5 cites·5 claims
- 3458US6151093ALiquid crystal display device having mixture to suppress changing switching characteristics with temperature of the liquid crystal display deviceRICOH KK·Filed 1998·Granted Nov 21, 2000·25 cites·16 claims
- 3555US7304705B2Imaging unit, optical write unit, optical read unit and image forming apparatusRICOH KK·Filed 2003·Granted Dec 4, 2007·5 cites·24 claims
- 3653US6351299B2Liquid crystal display deviceRICOH KK·Filed 1997·Granted Feb 26, 2002·20 cites·10 claims
- 3753US5147682AMethod for orienting a liquid crystal polymerRICOH KK·Filed 1990·Granted Sep 15, 1992·17 cites·13 claims
- 3849US5623353AColor liquid crystal device having thickness controlling layers disposed at pixel portionsRICOH KK·Filed 1995·Granted Apr 22, 1997·15 cites·6 claims
- 3948US5260109AMethod for polarizing lightNIPPON OIL CO LTD·Filed 1990·Granted Nov 9, 1993·14 cites·5 claims
- 4044US7564508B2Light path shift device and image display deviceRICOH KK·Filed 2006·Granted Jul 21, 2009·0 cites·7 claims
- 4143US2002135729A1Light deflection element, light deflection device and image display deviceFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →