KA

Keiichiro Ashizawa

HI Hitachi: 65 patents #133 of 28,497Top 1%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
HD Hitachi Displays: 9 patents #105 of 752Top 15%
JD Japan Display: 7 patents #421 of 1,204Top 35%
HI Hiatchi: 1 patents #1 of 84Top 2%
📍 Mobara, JP: #5 of 731 inventorsTop 1%
Overall (All Time): #21,758 of 4,157,543Top 1%
82
Patents All Time

Issued Patents All Time

Showing 51–75 of 82 patents

Patent #TitleCo-InventorsDate
6697142 Liquid crystal display device in which the counter electrode and the pixel electrode have particular obtuse angle with respect to the substrate Masayuki Hikiba, Masuyuki Ohta 2004-02-24
6667790 Liquid crystal display having particular spacer Kazuhiko Yanagawa, Masahiro Ishii, Masayuki Hikiba 2003-12-23
6654092 Active-matrix liquid crystal display Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi 2003-11-25
6621538 Active matrix type liquid crystal display apparatus including liquid crystal layer having different thicknesses at portions where different colors of light are transmitted Yuka Utsumi, Katsumi Kondo, Ikuo Hiyama, Osamu Itoh, Masahito Ohe +1 more 2003-09-16
6583846 Liquid crystal display device with spacer covered with an electrode Kazuhiko Yanagawa, Masahiro Ishii, Masayuki Hikiba 2003-06-24
6552770 Liquid crystal display having shield layers on both sides of spacer across signal line Kazuhiko Yanagawa, Masahiro Ishii, Masayuki Hikiba 2003-04-22
6545736 Liquid crystal display device having particular pixel region Masayuki Hikiba, Masuyuki Ohta 2003-04-08
6545658 In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions Masuyuki Ohta, Kazuhiko Yanagawa, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi +4 more 2003-04-08
6538713 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 Kazuhiko Yanagawa, Masuyuki Oota, Masayuki Hikiba 2003-03-25
6532053 Transverse electric field system liquid crystal display device suitable for improving aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Kazuhiko Yanagawa, Masahiro Yanai, Nobutake Konishi +4 more 2003-03-11
6462799 Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Kazuhiko Yanagawa, Masahiro Yanai, Nobutake Konishi +4 more 2002-10-08
6456350 Liquid crystal display Masayuki Hikiba, Kazuhiko Yanagawa, Kenta Kamoshida 2002-09-24
6417906 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Kazuhiko Yanagawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 2002-07-09
6341003 Liquid crystal display device in which the pixel electrode crosses the counter electrode Masayuki Hikiba, Masuyuki Ohta 2002-01-22
6266117 Active-matrix liquid crystal display Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi 2001-07-24
6266116 In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions Masuyuki Ohta, Kazuhiko Yanagawa, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi +4 more 2001-07-24
6201590 Liquid crystal display device with double-layered structure for gate line and/or data line Masuyuki Ohta, Kazuhiko Yanagawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 2001-03-13
6137560 Active matrix type liquid crystal display apparatus with light source color compensation Yuka Utsumi, Katsumi Kondo, Ikuo Hiyama, Osamu Itoh, Masahito Ohe +1 more 2000-10-24
6108066 In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi +3 more 2000-08-22
6100955 In-plane field type liquid crystal display device with delta arrangement of three primary color pixels Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa, Masahiro Yanai 2000-08-08
6064460 LCD with parallel field having counter electrode(s) at least equal to 1/2 width of video signal line Masuyuki Ohta, Kazuhiko Yanagawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 2000-05-16
6049369 Parallel-field TFT LCD having reference electrodes and a conductive layer Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa 2000-04-11
6034757 In-plane field type liquid crystal display device comprising a structure which is prevented from charging electricity Kazuhiko Yanagawa, Masuyuki Ohta, Kazuhiro Ogawa, Masahiro Yanai, Nobutake Konishi +3 more 2000-03-07
5978059 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Kazuhiko Yanagawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 1999-11-02
5956111 Liquid crystal display device with parallel field having particular spacing and width Masuyuki Ohta, Kazuhiko Yanagawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 1999-09-21