IH

Ikuo Hiyama

HI Hitachi: 58 patents #182 of 28,497Top 1%
HD Hitachi Displays: 39 patents #5 of 752Top 1%
PA Panasonic: 16 patents #1,398 of 21,108Top 7%
JD Japan Display: 3 patents #648 of 1,204Top 55%
IT Ips Alpha Technology: 2 patents #4 of 27Top 15%
HC Hitachi Device Engineering Co.: 1 patents #292 of 514Top 60%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
Overall (All Time): #14,298 of 4,157,543Top 1%
101
Patents All Time

Issued Patents All Time

Showing 1–25 of 101 patents

Patent #TitleCo-InventorsDate
8922736 Liquid crystal display device Toshiaki Tanaka, Hiroki Kaneko 2014-12-30
8780298 Liquid crystal display device Yoshifumi Sekiguchi 2014-07-15
8767137 Liquid crystal display device with red, green and blue subpixels having different aperture ratios Kentaro Ojima, Masahiro Ishii, Shisei Katou, Yoshiro Mikami 2014-07-01
8553179 Liquid crystal display device Yuka Utsumi, Yasushi Tomioka 2013-10-08
8525952 Liquid crystal display device Toshiaki Tanaka, Hiroki Kaneko 2013-09-03
8488089 Liquid crystal panel and liquid crystal display device Yuka Utsumi 2013-07-16
8421957 Illuminating device and liquid-crystal display device using the same Yoshifumi Sekiguchi, Tsunenori Yamamoto, Hiroki Kaneko, Toshiaki Tanaka 2013-04-16
8384845 Liquid crystal display device and illuminating device Yoshifumi Sekiguchi, Yoshiro Mikami, Naoki Iwasaki, Masaki Tsubokura 2013-02-26
8310634 Liquid crystal display device comprising a first optical compensating member between the liquid crystal layer and one of the first and second polarizing layers Kentaro Ojima, Daisuke Kajita, Masahiro Ishii 2012-11-13
8259257 Back light device, liquid crystal display apparatus and image display apparatus using the same Yutaka Akiba, Kiyomi Nakamura, Yoshinori Aono, Makoto Tsumura, Akitoyo Konno +1 more 2012-09-04
8259262 Liquid crystal display apparatus having particular polarizers Yuka Utsumi, Katsumi Kondo, Shigeru Matsuyama 2012-09-04
8237893 Liquid crystal display device Yuka Utsumi, Shintaro Takeda, Kikuo Ono 2012-08-07
8212963 Liquid crystal display device comprising a diffuser board which includes a plurality of micro lenses Yoshifumi Sikiguchi, Hiroki Kaneko 2012-07-03
8177407 Plane-like lighting units and display equipment provided therewith Masaya Adachi, Makoto Tsumura, Shusuke Endo 2012-05-15
8149354 Liquid crystal display device Kentaro Ojima, Daisuke Kajita, Masahiro Ishii, Yasushi Tomioka 2012-04-03
8134665 Polarizer and liquid-crystal display apparatus having reduced polarization state in oblique viewing angles Daisuke Kajita, Mutsumi Maehara, Yuka Utsumi 2012-03-13
8134664 Liquid crystal display device Daisuke Kajita, Shintaro Takeda 2012-03-13
8088475 Anti-reflecting membrane, and display apparatus, optical storage medium and solar energy converting device having the same, and production method of the membrane Hiroshi Sasaki, Yasushi Tomioka, Masaya Adachi, Makiko Sugibayashi, Katsumi Kondou 2012-01-03
8077277 Liquid crystal display device comprising a first optical compensating member disposed without a birefringent medium sandwiched between the liquid crystal layer and the first optical compensating member Kentaro Ojima, Daisuke Kajita, Masahiro Ishii 2011-12-13
8070344 Plane-like lighting units and display equipment provided therewith Masaya Adachi, Makoto Tsumura, Shusuke Endo 2011-12-06
8059235 Liquid crystal display Yuka Utsumi, Makiko Sugibayashi, Katsumi Kondo, Mutsumi Maehara 2011-11-15
8022431 Illuminating apparatus, method for fabricating the using the same and display apparatus using the same Hiroki Kaneko, Toshiaki Tanaka, Masaya Adachi, Tsunenori Yamamoto, Haruo Akahoshi 2011-09-20
8017959 Light source and liquid crystal display device using the same Yutaka Akiba, Hiroki Kaneko, Toshiaki Tanaka 2011-09-13
7990491 Liquid crystal display device Daisuke Kajita, Yoshifumi Sekiguchi, Akitoyo Konno, Makoto Tsumura 2011-08-02
7982709 Illuminating device and liquid-crystal display device using the same Yoshifumi Sekiguchi, Tsunenori Yamamoto, Hiroki Kaneko, Toshiaki Tanaka 2011-07-19