Inventor
ASHIZAWA KEIICHIRO
JP82 patents
⚠️ This page may combine multiple inventors who share the name “ASHIZAWA KEIICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
43 patentsUS6583846B1Jun 24, 2003
Liquid crystal display device with spacer covered with an electrode
HITACHI LTD121 citations99
US6266116B1Jul 24, 2001
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD359 citations99
US6108066AAug 22, 2000
In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity
HITACHI LTD119 citations99
US6034757AMar 7, 2000
In-plane field type liquid crystal display device comprising a structure which is prevented from charging electricity
HITACHI LTD156 citations99
US5870160AFeb 9, 1999
In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity
HITACHI LTD327 citations99
US5754266AMay 19, 1998
Liquid crystal display device with wide viewing angle characteristics
HITACHI LTD128 citations99
US5760857AJun 2, 1998
In-plane field type liquid crystal display device with delta arrangement of three primary color pixels
HITACHI LTD120 citations98
US5978059ANov 2, 1999
Liquid crystal display device with wide viewing angle characteristics
HITACHI LTD81 citations97
US5956111ASep 21, 1999
Liquid crystal display device with parallel field having particular spacing and width
HITACHI LTD84 citations97
US5929958AJul 27, 1999
Liquid crystal display device with wide viewing angle characteristics
HITACHI LTD86 citations97
US6667790B2Dec 23, 2003
Liquid crystal display having particular spacer
HITACHI LTD44 citations96
US6545658B2Apr 8, 2003
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD25 citations96
US6545736B2Apr 8, 2003
Liquid crystal display device having particular pixel region
HITACHI LTD30 citations96
US6538713B1Mar 25, 2003
Active 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 field
HITACHI LTD53 citations96
US6532053B2Mar 11, 2003
Transverse electric field system liquid crystal display device suitable for improving aperture ratio
HITACHI LTD29 citations96
US6462799B2Oct 8, 2002
Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio
HITACHI LTD30 citations96
US6417906B2Jul 9, 2002
Liquid crystal display device with wide viewing angle characteristics
HITACHI LTD47 citations96
US6341003B1Jan 22, 2002
Liquid crystal display device in which the pixel electrode crosses the counter electrode
HITACHI LTD76 citations96
US6201590B1Mar 13, 2001
Liquid crystal display device with double-layered structure for gate line and/or data line
HITACHI LTD53 citations96
US6137560AOct 24, 2000
Active matrix type liquid crystal display apparatus with light source color compensation
HITACHI LTD65 citations96
US6064460AMay 16, 2000
LCD with parallel field having counter electrode(s) at least equal to 1/2 width of video signal line
HITACHI LTD43 citations96
US6049369AApr 11, 2000
Parallel-field TFT LCD having reference electrodes and a conductive layer
HITACHI LTD62 citations96
US5760856AJun 2, 1998
In-plane field type liquid crystal display device with light shielding pattern suitable for high aperture ratio
HITACHI LTD87 citations96
US6456350B1Sep 24, 2002
Liquid crystal display
HITACHI LTD60 citations95
US7612853B2Nov 3, 2009
Active matrix liquid crystal display device
HITACHI LTD11 citations93
US7345729B2Mar 18, 2008
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD11 citations93
US7046325B2May 16, 2006
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD13 citations93
US7046324B2May 16, 2006
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD17 citations93
US6831724B2Dec 14, 2004
Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio
HITACHI LTD20 citations93
US6798486B2Sep 28, 2004
Liquid crystal display device with spacers formed on a planarizing film disposed over color filters
HITACHI LTD22 citations93
US6552770B2Apr 22, 2003
Liquid crystal display having shield layers on both sides of spacer across signal line
HITACHI LTD28 citations93
US6100955AAug 8, 2000
In-plane field type liquid crystal display device with delta arrangement of three primary color pixels
HITACHI LTD19 citations93
US5734451AMar 31, 1998
Active matrix type liquid crystal display device with specific configurations of the reference electrode and/or the video signal line
HITACHI LTD39 citations93
US6697142B2Feb 24, 2004
Liquid crystal display device in which the counter electrode and the pixel electrode have particular obtuse angle with respect to the substrate
HITACHI LTD14 citations92
US6900853B2May 31, 2005
Liquid crystal display device and manufacturing method thereof
HITACHI LTD53 citations90
US5694186ADec 2, 1997
Color liquid crystal display device having special relationship between its isochromatic viewing angle and half-brightness angle
HITACHI LTD40 citations90
US8027005B2Sep 27, 2011
Liquid crystal display having a pixel region with a source electrode of at least a high-melting-point metal layer
HITACHI LTD8 citations84
US7251007B2Jul 31, 2007
Liquid crystal display device having particular semiconductor layer
HITACHI LTD10 citations84
US6975374B2Dec 13, 2005
Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio
HITACHI LTD8 citations82
US6654092B2Nov 25, 2003
Active-matrix liquid crystal display
HITACHI LTD10 citations82
US7956973B2Jun 7, 2011
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD2 citations74
US7751020B2Jul 6, 2010
Liquid crystal display device with two kinds of projected portions on a substrate
HITACHI LTD4 citations74
US7724334B2May 25, 2010
In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions
HITACHI LTD2 citations74
HITACHI DISPLAYS LTD
3 patentsJAPAN DISPLAY INC
2 patentsHIATCHI LTD
1 patentASHIZAWA KEIICHIRO
1 patentShowing the top 50 of 82 patents by PatentIndex Score.