Inventor · disambiguated record
Ikuo Hiyama
Also filed as: HIYAMA IKUO
101 granted patents·16 pending applications·2,919 citations·filing 1992–2013
99Inventor score
Top patents by PatentIndex Score
117 records- 0199US7460103B2Liquid crystal display apparatus with luminance distribution calculating, backlight controller, and video correction to improve display contrast ratioHITACHI DISPLAYS LTD·Filed 2005·Granted Dec 2, 2008·118 cites·9 claims
- 0299US7245336B2Liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Jul 17, 2007·135 cites·10 claims
- 0398US7489374B2Liquid crystal displayHITACHI DISPLAYS LTD·Filed 2004·Granted Feb 10, 2009·188 cites·8 claims
- 0498US7233304B1Liquid crystal display apparatusHITACHI LTD·Filed 2000·Granted Jun 19, 2007·161 cites·10 claims
- 0598US6469755B1Illuminating arrangement with reflector having inclined irregularities or corrugationsHITACHI LTD·Filed 1999·Granted Oct 22, 2002·177 cites·20 claims
- 0697US7661844B2Illuminating device and liquid-crystal display device using the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Feb 16, 2010·46 cites·12 claims
- 0797US7595784B2Liquid crystal display apparatus with control of LCD and backlight corresponding to an imageHITACHI DISPLAYS LTD·Filed 2005·Granted Sep 29, 2009·43 cites·11 claims
- 0897US6561663B2Plane-like lighting units and display equipment provided therewithHITACHI LTD·Filed 2001·Granted May 13, 2003·105 cites·17 claims
- 0997US6556260B1Liquid crystal display apparatusHITACHI LTD·Filed 2000·Granted Apr 29, 2003·112 cites·21 claims
- 1096US8059235B2Liquid crystal displayUTSUMI YUKA·Filed 2009·Granted Nov 15, 2011·38 cites·4 claims
- 1196US7737930B2Image signal display apparatusHITACHI LTD·Filed 2005·Granted Jun 15, 2010·27 cites·7 claims
- 1296US7006173B1Liquid crystal display device having particular reflective polarizerHITACHI LTD·Filed 1999·Granted Feb 28, 2006·189 cites·16 claims
- 1396US6104454ALiquid crystal displayHITACHI LTD·Filed 1996·Granted Aug 15, 2000·165 cites·11 claims
- 1495US7478925B2Lighting source unit, illuminating apparatus using the same and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2005·Granted Jan 20, 2009·36 cites·22 claims
- 1595US6909442B2Display device for decompressing compressed image data receivedHITACHI LTD·Filed 2002·Granted Jun 21, 2005·78 cites·19 claims
- 1694US7350937B2Lighting unit, lighting module, and liquid crystal displayHITACHI DISPLAYS LTD·Filed 2005·Granted Apr 1, 2008·22 cites·24 claims
- 1794US7038641B2Color/black-and-white switchable portable terminal and display unitHITACHI LTD·Filed 2004·Granted May 2, 2006·125 cites·6 claims
- 1894US7019799B2Liquid crystal display with optical adjustment layer controlling transmittance of emitted light in accordance with wavelengthHITACHI LTD·Filed 2005·Granted Mar 28, 2006·17 cites·14 claims
- 1992US7982709B2Illuminating device and liquid-crystal display device using the sameHITACHI DISPLAYS LTD·Filed 2010·Granted Jul 19, 2011·12 cites·33 claims
- 2091US7173760B2Luminous intensity distribution control device and display having the sameHITACHI LTD·Filed 2005·Granted Feb 6, 2007·10 cites·12 claims
- 2191US6883950B2Plane-like lighting units and display equipment provided therewithHITACHI LTD·Filed 2004·Granted Apr 26, 2005·31 cites·9 claims
- 2291US6709122B2Plane-like lighting units and display equipment provided therewithHITACHI LTD·Filed 2003·Granted Mar 23, 2004·34 cites·3 claims
- 2389US6608657B2Switchable liquid crystal light guide and liquid crystal display apparatus using the sameHITACHI LTD·Filed 2001·Granted Aug 19, 2003·35 cites·8 claims
- 2489US5841496AReflective liquid crystal display deviceHITACHI LTD·Filed 1996·Granted Nov 24, 1998·71 cites·6 claims
- 2588US7463235B2Light illumination apparatus and liquid crystal display apparatus using the sameHITACHI LTD·Filed 2003·Granted Dec 9, 2008·30 cites·11 claims
- 2688US6756954B2Liquid crystal display apparatusHITACHI LTD·Filed 2001·Granted Jun 29, 2004·35 cites·9 claims
- 2788US6137560AActive matrix type liquid crystal display apparatus with light source color compensationHITACHI LTD·Filed 1996·Granted Oct 24, 2000·65 cites·9 claims
- 2887US6940481B2Liquid crystal display apparatusHITACHI LTD·Filed 2002·Granted Sep 6, 2005·33 cites·40 claims
- 2987US5519523ALiquid crystal display device with residual retardation compensated for in liquid crystal layerHITACHI LTD·Filed 1992·Granted May 21, 1996·80 cites·30 claims
- 3086US8088475B2Anti-reflecting membrane, and display apparatus, optical storage medium and solar energy converting device having the same, and production method of the membraneSASAKI HIROSHI·Filed 2005·Granted Jan 3, 2012·16 cites·30 claims
- 3186US8022431B2Illuminating apparatus, method for fabricating the using the same and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2005·Granted Sep 20, 2011·9 cites·18 claims
- 3286US6650472B1Luminous intensity distribution control device and display having the sameHITACHI LTD·Filed 1999·Granted Nov 18, 2003·50 cites·15 claims
- 3385US7230603B2Illumination device and display device using the sameHITACHI LTD·Filed 2003·Granted Jun 12, 2007·27 cites·32 claims
- 3484US7784986B2Plane-like lighting units and display equipment provided therewithHITACHI LTD·Filed 2005·Granted Aug 31, 2010·9 cites·9 claims
- 3584US7027023B2Liquid crystal display panel, liquid crystal display device, and liquid crystal televisionHITACHI LTD·Filed 2002·Granted Apr 11, 2006·31 cites·59 claims
- 3684US6222598B1Liquid crystal displayHITACHI LTD·Filed 1999·Granted Apr 24, 2001·55 cites·20 claims
- 3783US8767137B2Liquid crystal display device with red, green and blue subpixels having different aperture ratiosHIYAMA IKUO·Filed 2011·Granted Jul 1, 2014·8 cites·3 claims
- 3883US7567317B2Liquid crystal display apparatusHITACHI DISPLAYS LTD·Filed 2006·Granted Jul 28, 2009·11 cites·19 claims
- 3983US6943947B2Luminous intensity distribution control device and display having the sameHITACHI LTD·Filed 2003·Granted Sep 13, 2005·16 cites·26 claims
- 4083US6704066B2Liquid crystal display apparatusHITACHI LTD·Filed 2002·Granted Mar 9, 2004·22 cites·14 claims
- 4182US7905616B2Illumination unit and display unit incorporating the sameHITACHI LTD·Filed 2008·Granted Mar 15, 2011·7 cites·22 claims
- 4281US7661866B2Lighting system and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Feb 16, 2010·9 cites·16 claims
- 4380US8384845B2Liquid crystal display device and illuminating deviceHITACHI DISPLAYS LTD·Filed 2011·Granted Feb 26, 2013·3 cites·25 claims
- 4480US7828473B2Illuminating apparatus and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2005·Granted Nov 9, 2010·8 cites·18 claims
- 4580US6362862B1Liquid crystal displayHITACHI LTD·Filed 1997·Granted Mar 26, 2002·62 cites·11 claims
- 4679US7824049B2Illumination device and display device incorporating the sameHITACHI DISPLAYS LTD·Filed 2007·Granted Nov 2, 2010·8 cites·16 claims
- 4779US6850219B2Display deviceHITACHI LTD·Filed 2001·Granted Feb 1, 2005·19 cites·29 claims
- 4878US7433012B2Active matrix type liquid crystal display apparatusHITACHI LTD·Filed 2005·Granted Oct 7, 2008·2 cites·10 claims
- 4978US7355211B2Light-emitting element and display thereofHITACHI DISPLAYS LTD·Filed 2005·Granted Apr 8, 2008·5 cites·11 claims
- 5078US5818554AReflective liquid crystal display apparatus which does not require a back lightHITACHI LTD·Filed 1995·Granted Oct 6, 1998·59 cites·16 claims
Showing the top 50 of 117 patent records by PatentIndex Score.
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