Inventor · disambiguated record
Keiichiro Ashizawa
Also filed as: ASHIZAWA KEIICHIRO
82 granted patents·8 pending applications·2,892 citations·filing 1996–2019
99Inventor score
Top patents by PatentIndex Score
90 records- 0199US6583846B1Liquid crystal display device with spacer covered with an electrodeHITACHI LTD·Filed 2000·Granted Jun 24, 2003·121 cites·14 claims
- 0299US6266116B1In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 1996·Granted Jul 24, 2001·359 cites·24 claims
- 0398US6108066AIn-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricityHITACHI LTD·Filed 2000·Granted Aug 22, 2000·119 cites·7 claims
- 0498US5870160AIn-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricityHITACHI LTD·Filed 1996·Granted Feb 9, 1999·327 cites·64 claims
- 0596US6034757AIn-plane field type liquid crystal display device comprising a structure which is prevented from charging electricityHITACHI LTD·Filed 1999·Granted Mar 7, 2000·156 cites·6 claims
- 0696US5754266ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1996·Granted May 19, 1998·128 cites·8 claims
- 0795US8027005B2Liquid crystal display having a pixel region with a source electrode of at least a high-melting-point metal layerHITACHI LTD·Filed 2010·Granted Sep 27, 2011·8 cites·6 claims
- 0895US6417906B2Liquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 2000·Granted Jul 9, 2002·47 cites·20 claims
- 0995US6266117B1Active-matrix liquid crystal displayHIATCHI LTD·Filed 1996·Granted Jul 24, 2001·120 cites·33 claims
- 1094US7612853B2Active matrix liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Nov 3, 2009·11 cites·7 claims
- 1194US7345729B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2006·Granted Mar 18, 2008·11 cites·9 claims
- 1294US6667790B2Liquid crystal display having particular spacerHITACHI LTD·Filed 2002·Granted Dec 23, 2003·44 cites·21 claims
- 1393US7872725B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2009·Granted Jan 18, 2011·11 cites·7 claims
- 1493US6538713B1Active matrix liquid crystal display comprising a plurality of electrodes and/or a black matrix having zigzag shaped edges along the long side of the pixel fieldHITACHI LTD·Filed 2000·Granted Mar 25, 2003·53 cites·20 claims
- 1593US5929958ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1998·Granted Jul 27, 1999·86 cites·35 claims
- 1693US5760857AIn-plane field type liquid crystal display device with delta arrangement of three primary color pixelsHITACHI LTD·Filed 1996·Granted Jun 2, 1998·120 cites·21 claims
- 1792US9069213B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2014·Granted Jun 30, 2015·5 cites·5 claims
- 1892US7773189B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2008·Granted Aug 10, 2010·10 cites·6 claims
- 1992US6900853B2Liquid crystal display device and manufacturing method thereofHITACHI LTD·Filed 2002·Granted May 31, 2005·53 cites·9 claims
- 2092US6462799B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Oct 8, 2002·30 cites·11 claims
- 2192US5978059ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1998·Granted Nov 2, 1999·81 cites·35 claims
- 2292US5956111ALiquid crystal display device with parallel field having particular spacing and widthHITACHI LTD·Filed 1998·Granted Sep 21, 1999·84 cites·12 claims
- 2391US9575378B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2015·Granted Feb 21, 2017·3 cites·17 claims
- 2491US7251007B2Liquid crystal display device having particular semiconductor layerHITACHI LTD·Filed 2005·Granted Jul 31, 2007·10 cites·8 claims
- 2591US6552770B2Liquid crystal display having shield layers on both sides of spacer across signal lineHITACHI LTD·Filed 2002·Granted Apr 22, 2003·28 cites·4 claims
- 2691US6545658B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2001·Granted Apr 8, 2003·25 cites·20 claims
- 2791US6545736B2Liquid crystal display device having particular pixel regionHITACHI LTD·Filed 2002·Granted Apr 8, 2003·30 cites·31 claims
- 2891US6341003B1Liquid crystal display device in which the pixel electrode crosses the counter electrodeHITACHI LTD·Filed 1999·Granted Jan 22, 2002·76 cites·5 claims
- 2990US7460201B2Liquid crystal display device having counter electrode with particular configurationHITACHI LTD·Filed 2007·Granted Dec 2, 2008·8 cites·6 claims
- 3090US7385666B2Liquid crystal display deviceHITACHI DISPLAYS LTD·Filed 2004·Granted Jun 10, 2008·24 cites·6 claims
- 3190US6798486B2Liquid crystal display device with spacers formed on a planarizing film disposed over color filtersHITACHI LTD·Filed 2002·Granted Sep 28, 2004·22 cites·5 claims
- 3289US8405813B2Liquid crystal display deviceASHIZAWA KEIICHIRO·Filed 2010·Granted Mar 26, 2013·7 cites·9 claims
- 3389US6831724B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Dec 14, 2004·20 cites·26 claims
- 3488US7248325B2Liquid crystal display having particular electrodes and particular common lineHITACHI LTD·Filed 2005·Granted Jul 24, 2007·7 cites·10 claims
- 3588US7046324B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2002·Granted May 16, 2006·17 cites·9 claims
- 3688US6137560AActive matrix type liquid crystal display apparatus with light source color compensationHITACHI LTD·Filed 1996·Granted Oct 24, 2000·65 cites·9 claims
- 3787US10371991B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2018·Granted Aug 6, 2019·1 cites·9 claims
- 3887US6201590B1Liquid crystal display device with double-layered structure for gate line and/or data lineHITACHI LTD·Filed 1999·Granted Mar 13, 2001·53 cites·11 claims
- 3987US5760856AIn-plane field type liquid crystal display device with light shielding pattern suitable for high aperture ratioHITACHI LTD·Filed 1996·Granted Jun 2, 1998·87 cites·13 claims
- 4085US10054826B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2016·Granted Aug 21, 2018·1 cites·7 claims
- 4185US8427613B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsOHTA MASUYUKI·Filed 2011·Granted Apr 23, 2013·2 cites·2 claims
- 4284US7046325B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2003·Granted May 16, 2006·13 cites·13 claims
- 4383US7289182B2Active-matrix liquid crystal displayHITACHI LTD·Filed 2006·Granted Oct 30, 2007·4 cites·7 claims
- 4483US7102711B2Active-matrix liquid crystal displayHITACHI LTD·Filed 2005·Granted Sep 5, 2006·4 cites·23 claims
- 4583US6064460ALCD with parallel field having counter electrode(s) at least equal to 1/2 width of video signal lineHITACHI LTD·Filed 1998·Granted May 16, 2000·43 cites·16 claims
- 4682US6697142B2Liquid crystal display device in which the counter electrode and the pixel electrode have particular obtuse angle with respect to the substrateHITACHI LTD·Filed 2003·Granted Feb 24, 2004·14 cites·18 claims
- 4780US7956973B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2009·Granted Jun 7, 2011·2 cites·20 claims
- 4879US8724072B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2013·Granted May 13, 2014·1 cites·2 claims
- 4979US7751020B2Liquid crystal display device with two kinds of projected portions on a substrateHITACHI LTD·Filed 2006·Granted Jul 6, 2010·4 cites·7 claims
- 5079US7724334B2In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directionsHITACHI LTD·Filed 2008·Granted May 25, 2010·2 cites·8 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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