KY

Kazuhiko Yanagawa

HI Hitachi: 9 patents #56 of 4,225Top 2%
📍 Mobara, JP: #2 of 104 inventorsTop 2%
Overall (2003): #2,257 of 273,478Top 1%
9
Patents 2003

Issued Patents 2003

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
6667790 Liquid crystal display having particular spacer Keiichiro Ashizawa, Masahiro Ishii, Masayuki Hikiba 2003-12-23
6654092 Active-matrix liquid crystal display Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi 2003-11-25
6642988 Liquid crystal display device with columnar spacer Shigeru Matsuyama, Hiroaki Asuma 2003-11-04
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 Keiichiro Ashizawa, Masahiro Ishii, Masayuki Hikiba 2003-06-24
6552770 Liquid crystal display having shield layers on both sides of spacer across signal line Keiichiro Ashizawa, Masahiro Ishii, Masayuki Hikiba 2003-04-22
6545658 In-plane field type liquid crystal display device comprising liquid crystal molecules with more than two kinds of reorientation directions Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, 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 Masuyuki Oota, Keiichiro Ashizawa, Masayuki Hikiba 2003-03-25
6532053 Transverse electric field system liquid crystal display device suitable for improving aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi +4 more 2003-03-11