KY

Kazuhiko Yanagawa

HI Hitachi: 98 patents #33 of 28,497Top 1%
HD Hitachi Displays: 38 patents #6 of 752Top 1%
PA Panasonic: 28 patents #581 of 21,108Top 3%
JD Japan Display: 12 patents #296 of 1,204Top 25%
HI Hiatchi: 1 patents #1 of 84Top 2%
📍 Mobara, JP: #2 of 731 inventorsTop 1%
Overall (All Time): #6,221 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 101–125 of 150 patents

Patent #TitleCo-InventorsDate
6975374 Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi +4 more 2005-12-13
6970222 Liquid crystal display device, display device and manufacturing method thereof Yoshiaki Nakayoshi 2005-11-29
6961110 Display device Kazuhiro Ogawa 2005-11-01
6956636 Liquid crystal display device and manufacturing method thereof 2005-10-18
6947115 Liquid crystal display device Nagatoshi Kurahashi, Yoshiaki Nakayoshi 2005-09-20
6927816 Active-matrix liquid crystal display Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi 2005-08-09
6914645 Liquid crystal display device Nagatoshi Kurahashi, Yoshiaki Nakayoshi 2005-07-05
6897930 Display device Yoshiaki Nakayoshi 2005-05-24
6888596 Liquid crystal display device Yoshiaki Nakayoshi, Nagatoshi Kurahashi 2005-05-03
6831724 Lateral electric-field liquid crystal display device suitable for improvement of aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi +4 more 2004-12-14
6801287 Liquid crystal display device having tapered electrodes Nagatoshi Kurahashi, Yoshiaki Nakayoshi 2004-10-05
6798486 Liquid crystal display device with spacers formed on a planarizing film disposed over color filters Keiichiro Ashizawa, Masahiro Ishii, Masayuki Hikiba 2004-09-28
6795150 Liquid crystal display device with V-shaped electrodes having different widths between electrodes Masuyuki Oota, Keiichiro Ashizawa, Masayuki Hikiba 2004-09-21
6784964 Liquid crystal display device Yoshiaki Nakayoshi 2004-08-31
6768531 Liquid crystal display device Takahiro Ochiai, Kikuo Ono, Ryutaro Oke 2004-07-27
6734945 Liquid crystal display device Yoshiaki Nakayoshi 2004-05-11
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