Inventor · disambiguated record
Kazuhiko Yanagawa
Also filed as: YANAGAWA KAZUHIKO
150 granted patents·18 pending applications·3,996 citations·filing 1995–2019
99Inventor score
Top patents by PatentIndex Score
168 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
- 0398US8760609B2Liquid crystal display device, display device and manufacturing method thereofJAPAN DISPLAY INC·Filed 2013·Granted Jun 24, 2014·18 cites·6 claims
- 0498US8493522B2Liquid crystal display device, display device and manufacturing method thereofNAKAYOSHI YOSHIAKI·Filed 2012·Granted Jul 23, 2013·31 cites·6 claims
- 0598US8310641B2Liquid crystal display device, display device and manufacturing method thereofNAKAYOSHI YOSHIAKI·Filed 2012·Granted Nov 13, 2012·33 cites·6 claims
- 0698US8248548B2Liquid crystal display device, display device and manufacturing method thereofNAKAYOSHI YOSHIAKI·Filed 2012·Granted Aug 21, 2012·31 cites·3 claims
- 0798US8248549B2Liquid crystal display device, display device and manufacturing method thereofNAKAYOSHI YOSHIAKI·Filed 2010·Granted Aug 21, 2012·31 cites·16 claims
- 0898US8203661B2Liquid crystal display device, display device and manufacturing method thereofNAKAYOSHI YOSHIAKI·Filed 2012·Granted Jun 19, 2012·31 cites·6 claims
- 0998US7872696B2Liquid crystal display device, display device and manufacturing method thereofHITACHI LTD·Filed 2008·Granted Jan 18, 2011·38 cites·10 claims
- 1098US7605876B2Liquid crystal display device, display device and manufacturing method thereofHITACHI LTD·Filed 2007·Granted Oct 20, 2009·38 cites·6 claims
- 1198US7423701B2Liquid crystal display device with two capacitive electrode layers in specific locationsHITACHI LTD·Filed 2005·Granted Sep 9, 2008·42 cites·6 claims
- 1298US7307673B2Liquid crystal display device, image display device and manufacturing method thereofHITACHI LTD·Filed 2006·Granted Dec 11, 2007·43 cites·4 claims
- 1398US6970222B2Liquid crystal display device, display device and manufacturing method thereofHITACHI LTD·Filed 2002·Granted Nov 29, 2005·64 cites·30 claims
- 1498US6108066AIn-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
- 1598US5870160AIn-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
- 1696US9488880B2Liquid crystal display device, display device and manufacturing method thereofJAPAN DISPLAY INC·Filed 2015·Granted Nov 8, 2016·6 cites·4 claims
- 1796US9213204B2Liquid crystal display device, display device and manufacturing method thereofJAPAN DISPLAY INC·Filed 2015·Granted Dec 15, 2015·6 cites·4 claims
- 1896US6411360B1Inplane switching type liquid crystal display with alignment layer formed on columnar spacer directlyHITACHI LTD·Filed 2000·Granted Jun 25, 2002·89 cites·8 claims
- 1996US6034757AIn-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
- 2096US5754266ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1996·Granted May 19, 1998·128 cites·8 claims
- 2195US9086600B2Liquid crystal display device, display device and manufacturing method thereofJAPAN DISPLAY INC·Filed 2014·Granted Jul 21, 2015·6 cites·7 claims
- 2295US8027005B2Liquid 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
- 2395US6417906B2Liquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 2000·Granted Jul 9, 2002·47 cites·20 claims
- 2495US6266117B1Active-matrix liquid crystal displayHIATCHI LTD·Filed 1996·Granted Jul 24, 2001·120 cites·33 claims
- 2595US5831707AActive matrix type liquid crystal display apparatusHITACHI LTD·Filed 1995·Granted Nov 3, 1998·139 cites·33 claims
- 2694US7612853B2Active matrix liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Nov 3, 2009·11 cites·7 claims
- 2794US7345729B2In-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
- 2894US7209206B2Liquid crystal display deviceHITACHI LTD·Filed 2005·Granted Apr 24, 2007·19 cites·2 claims
- 2994US6784964B2Liquid crystal display deviceHITACHI LTD·Filed 2002·Granted Aug 31, 2004·48 cites·13 claims
- 3094US6768531B2Liquid crystal display deviceHITACHI LTD·Filed 2002·Granted Jul 27, 2004·49 cites·8 claims
- 3194US6667790B2Liquid crystal display having particular spacerHITACHI LTD·Filed 2002·Granted Dec 23, 2003·44 cites·21 claims
- 3293US10018859B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2017·Granted Jul 10, 2018·3 cites·14 claims
- 3393US7382432B2Liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Jun 3, 2008·10 cites·5 claims
- 3493US6538713B1Active 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
- 3593US5929958ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1998·Granted Jul 27, 1999·86 cites·35 claims
- 3693US5760857AIn-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
- 3792US7551169B2Liquid crystal display deviceHITACHI LTD·Filed 2006·Granted Jun 23, 2009·11 cites·3 claims
- 3892US6462799B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Oct 8, 2002·30 cites·11 claims
- 3992US5978059ALiquid crystal display device with wide viewing angle characteristicsHITACHI LTD·Filed 1998·Granted Nov 2, 1999·81 cites·35 claims
- 4092US5956111ALiquid crystal display device with parallel field having particular spacing and widthHITACHI LTD·Filed 1998·Granted Sep 21, 1999·84 cites·12 claims
- 4191US9715132B2Liquid crystal display deviceJAPAN DISPLAY INC·Filed 2014·Granted Jul 25, 2017·3 cites·21 claims
- 4291US7133093B2Liquid crystal display device having particular number of the light emitting elements in the backlight for the color displayHITACHI DISPLAYS LTD·Filed 2004·Granted Nov 7, 2006·44 cites·24 claims
- 4391US6897930B2Display deviceHITACHI LTD·Filed 2003·Granted May 24, 2005·43 cites·24 claims
- 4491US6552770B2Liquid crystal display having shield layers on both sides of spacer across signal lineHITACHI LTD·Filed 2002·Granted Apr 22, 2003·28 cites·4 claims
- 4591US6545658B2In-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
- 4690US6798486B2Liquid 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
- 4789US6831724B2Lateral electric-field liquid crystal display device suitable for improvement of aperture ratioHITACHI LTD·Filed 2001·Granted Dec 14, 2004·20 cites·26 claims
- 4888US8144297B2Display deviceNAKAYOSHI YOSHIAKI·Filed 2011·Granted Mar 27, 2012·4 cites·20 claims
- 4988US8045123B2Display device with peel-preventing patternHITACHI LTD·Filed 2008·Granted Oct 25, 2011·6 cites·5 claims
- 5088US7492433B2Display device having a board for mounting a connector for inputting of video data and a board for mounting a display control circuit and manufacturing method thereofHITACHI DISPLAYS LTD·Filed 2004·Granted Feb 17, 2009·23 cites·6 claims
Showing the top 50 of 168 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →