HY

Hisao Yokokura

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
KC Kanto Chemical Co.: 2 patents #1 of 30Top 4%
ND Nitto Denko: 1 patents #1,580 of 2,479Top 65%
Overall (All Time): #139,872 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
7790248 Active matrix type liquid crystal display apparatus Yasushi Tomioka, Takao Miwa, Katsumi Kondo 2010-09-07
7615260 Active-matrix liquid crystal display Makoto Yoneya, Kishiro Iwasaki, Yasushi Tomioka, Katsumi Kondo, Yoshiharu Nagae 2009-11-10
7189439 Active matrix type liquid crystal display apparatus Yasushi Tomioka, Takao Miwa, Katsumi Kondo 2007-03-13
6833898 Liquid crystal display apparatus Sukekazu Aratani, Yoshiyuki Umeda, Yasushi Tomioka, Katsumi Kondo, Setsuo Kobayashi 2004-12-21
6756089 Active-matrix liquid crystal display Makoto Yoneya, Kishiro Iwasaki, Yasushi Tomioka, Katsumi Kondo, Yoshiharu Nagae 2004-06-29
6682783 Active matrix type liquid crystal display apparatus Yasushi Tomioka, Takao Miwa, Katsumi Kondo 2004-01-27
6483564 Liquid crystal display apparatus Sukekazu Aratani, Yoshiyuki Umeda, Yasushi Tomioka, Katsumi Kondo, Setsuo Kobayashi 2002-11-19
6310676 Liquid crystal display apparatus Sukekazu Aratani, Yoshiyuki Umeda, Yasushi Tomioka, Katsumi Kondo, Setsuo Kobayashi 2001-10-30
6242060 Active-matrix liquid crystal display Makoto Yoneya, Kishiro Iwasaki, Yasushi Tomioka, Katsumi Kondo, Yoshiharu Nagae 2001-06-05
6236441 Liquid crystal display apparatus and a method for manufacturing the same Sukekazu Aratani, Yoshiyuki Umeda, Hiroyuki Kagawa, Katsumi Kondo, Shigeru Matsuyama +1 more 2001-05-22
6222602 Liquid crystal display apparatus and a method for manufacturing the same Sukekazu Aratani, Yoshiyuki Umeda, Hiroyuki Kagawa, Katsumi Kondo, Shigeru Matsuyama +1 more 2001-04-24
6130737 Lateral electric field switching mode liquid crystal display apparatus without black stains Sukekazu Aratani, Yoshiyuki Umeda, Yasushi Tomioka, Katsumi Kondo, Setsuo Kobayashi 2000-10-10
6047098 Plastic optical waveguide and optical switch using same Masakazu Sagawa, Takao Miwa 2000-04-04
5928733 Active-matrix liquid crystal display Makoto Yoneya, Kishiro Iwasaki, Yasushi Tomioka, Katsumi Kondo, Yoshiharu Nagae 1999-07-27
RE34885 Liquid crystal polyimide alignment free of scattering domains Tadao Nakata, Susumu Era, Yasuo Hanawa, Kishiro Iwasaki, Teruo Kitamura +5 more 1995-03-28
5220447 Liquid crystal display device and phase plate therefor Teruo Kitamura, Akio Mukoh, Junichi Hirakata, Yasuhiko Kando, Isoji Sakai +2 more 1993-06-15
5067797 Liquid crystal display cell and process for producing the same Tadao Nakada, Teruo Kitamura, Akio Mukoh, Yasuhiko Kando, Isoji Sakai +4 more 1991-11-26
5020883 Ferroelectric liquid crystal device Susumu Era, Kishiro Iwasaki, Yasuo Hanawa, Katsumi Kondo, Tadao Nakada +2 more 1991-06-04
4781439 Liquid crystal polyimide alignment free of scattering domains Tadao Nakata, Susumu Era, Yasuo Hanawa, Kishiro Iwasaki, Teruo Kitamura +5 more 1988-11-01
4759614 Ferroelectric liquid crystal element with particular alignment film and a method for manufacturing the same Katsumi Kondo, Yasuo Hanawa, Susumu Era, Kishiro Iwasaki, Tadao Nakata +4 more 1988-07-26
4694098 Colorless liquid crystalline compounds Yoichi Hirai, Tsunenori Fujii, Kaoru Koto, Kenji Suzuki, Masahiro Yoshida +6 more 1987-09-15
4653866 Liquid crystal compound and liquid crystal composition including the same Susumu Era, Kishiro Iwasaki, Tadao Nakata, Teruo Kitamura, Akio Mukoh 1987-03-31
4645305 Liquid-crystal compound, liquid crystal composition and liquid crystal display device Susumu Era, Hidetoshi Abe, Tadao Nakata, Teruo Kitamura, Akio Mukoh 1987-02-24
4634228 Ferroelectric liquid crystal cell with rubbed polyimide alignment layer Kishiro Iwasaki, Susumu Era, Tadao Nakata, Akio Mukoh 1987-01-06
4584120 Liquid crystal compound and liquid crystal composition Tsunenori Fujii, Kenji Suzuki, Masahiro Yoshida, Hisashi Okawa, Kaoru Koto +6 more 1986-04-22