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 126–150 of 150 patents

Patent #TitleCo-InventorsDate
6462799 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 2002-10-08
6456350 Liquid crystal display Keiichiro Ashizawa, Masayuki Hikiba, Kenta Kamoshida 2002-09-24
6417906 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Keiichiro Ashizawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 2002-07-09
6411360 Inplane switching type liquid crystal display with alignment layer formed on columnar spacer directly Shigeru Matsuyama, Hiroaki Asuma 2002-06-25
6266116 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 2001-07-24
6266117 Active-matrix liquid crystal display Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi 2001-07-24
6201590 Liquid crystal display device with double-layered structure for gate line and/or data line Masuyuki Ohta, Keiichiro Ashizawa, 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
6108065 Parallel field liquid crystal display with counter electrodes connected to the scan lines Masuyuki Ota, Masahiko Ando, Katsumi Kondo, Masahito Ohe 2000-08-22
6108066 In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, 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 Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, 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, Keiichiro Ashizawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 2000-05-16
6049369 Parallel-field TFT LCD having reference electrodes and a conductive layer Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa 2000-04-11
6034757 In-plane field type liquid crystal display device comprising a structure which is prevented from charging electricity Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi +3 more 2000-03-07
5978059 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Keiichiro Ashizawa, 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, Keiichiro Ashizawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 1999-09-21
5929958 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Keiichiro Ashizawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 1999-07-27
5870160 In-plane field type liquid crystal display device comprising a structure which is prevented from charging with electricity Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai, Nobutake Konishi +3 more 1999-02-09
5831707 Active matrix type liquid crystal display apparatus Masuyuki Ota, Masahiko Ando, Katsumi Kondo, Masahito Ohe 1998-11-03
5781261 Active matrix type LCD having light shield layers and counter electrodes made of the same material Masuyuki Ohta, Katsumi Kondo, Masahito Ohe 1998-07-14
5760857 In-plane field type liquid crystal display device with delta arrangement of three primary color pixels Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Masahiro Yanai 1998-06-02
5760856 In-plane field type liquid crystal display device with light shielding pattern suitable for high aperture ratio Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Katsumi Kondo 1998-06-02
5754266 Liquid crystal display device with wide viewing angle characteristics Masuyuki Ohta, Keiichiro Ashizawa, Yasuyuki Mishima, Kazuhiro Ogawa, Masahito Ohe +2 more 1998-05-19
5734451 Active matrix type liquid crystal display device with specific configurations of the reference electrode and/or the video signal line Masuyuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Minoru Hoshino 1998-03-31
5694186 Color liquid crystal display device having special relationship between its isochromatic viewing angle and half-brightness angle Masayuki Ohta, Kazuhiro Ogawa, Keiichiro Ashizawa, Kiyoshige Kinukawa 1997-12-02