HK

Hiroshi Kumai

AC Asahi Glass Co.: 22 patents #39 of 2,251Top 2%
TP Technology Partners: 4 patents #11 of 201Top 6%
AG Agc: 3 patents #235 of 954Top 25%
Overall (All Time): #112,891 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
11028106 Method for producing tetraalkoxysilane Norihisa Fukaya, Seong-Jib Choi, Jun-Chul Choi, Toshio Horikoshi, Sho KATAOKA +3 more 2021-06-08
10746908 Optical filter and imaging device Yoshiharu Ooi, Kazuhiko SHIONO, Hiroki Hotaka 2020-08-18
10345498 Infrared cut filter, solid-state imaging device, and imaging/display apparatus Kyoko Yamamoto, Takaaki Murakami, Mitsuyuki Tatemura 2019-07-09
10088730 Optical element and imaging device Shinya Tahara, Teppei Konishi, Koichi Nakagawa, Takuji Oyama, Satoshi UMEDA 2018-10-02
9753196 Optical filter, solid-state imaging element, imaging device lens and imaging device Makoto Hasegawa, Satoshi Kashiwabara, Hiroshi Shimoda, Kenta Sekikawa, Takashi Shibuya +3 more 2017-09-05
9664830 Optical filter and solid-state imaging device Makoto Hasegawa, Kenta Sekikawa, Satoshi Kashiwabara, Hiroshi Shimoda, Yuriko Kaida 2017-05-30
9268072 Optical filter, solid-state imaging element, imaging device lens and imaging device Makoto Hasegawa, Satoshi Kashiwabara, Hiroshi Shimoda, Kenta Sekikawa, Takashi Shibuya +3 more 2016-02-23
8632882 Dialkoxymagnesium granules and method for their synthesis Akihiko Yamanaka, Mitsuteru Suyama 2014-01-21
8565058 Liquid crystal alignment film, process for its production, optical element using the liquid crystal alignment film, and optical information writing/reading device Kazuhiko SHIONO, Yoshiharu Ooi 2013-10-22
8488432 Polymer compound, composition for alignment film, alignment film, optical element, and optical information writing/reading device Satoshi Okada 2013-07-16
8420854 Di(meth)acrylate compound, polymerizable liquid crystal composition, optical anisotropic material, optical element and optical information writing/reading device Satoshi Okada, Makoto Hasegawa, Hiromichi Nagayama 2013-04-16
8293134 Optically anisotropic material, optical element and optical information writing/reading device Satoshi Okada, Makota Hasegawa 2012-10-23
8092711 Liquid crystal compound, polymerizable liquid crystal composition, optically anisotropic material, optical element and optical information writing/reading device Satoshi Okada, Makoto Hasegawa 2012-01-10
8039064 Compound, polymerizable liquid crystal composition, optical element and optical information writing/reading device Nobuhiko Takeshita, Teppei Konishi 2011-10-18
8007682 Compound, liquid crystal composition, optical anisotropic material and optical device Kenichi Shioya, Makoto Hasegawa 2011-08-30
8007877 Liquid crystal optical modulation element and optical head device Kara Yoshida, Yuriko Kaida, Hiromichi Nagayama 2011-08-30
7901591 Bifunctional polymerizable compound, liquid crystal composition, optical anisotropic material and optical element Hiromichi Nagayama, Kazuhiko SHIONO 2011-03-08
7846515 Liquid crystal optical modulation element and optical head device Kara Yoshida, Yuriko Kaida, Hiromichi Nagayama 2010-12-07
7820250 Liquid crystal optical modulation element and optical head device Kara Yoshida, Yuriko Kaida, Hiromichi Nagayama 2010-10-26
7714977 Liquid crystal optical modulation element and optical head device Hiroki Hotaka, Makoto Hasegawa, Yayoi YAMAMORI 2010-05-11
7442418 Polymerizable liquid crystal compound, liquid crystal composition, optical anisotropic material and optical element Yuriko Kaida, Hiromichi Nagayama 2008-10-28
7371438 Polymerizable liquid crystal compound, liquid crystal composition and optical anisotropic material Yuriko Kaida, Hiromichi Nagayama 2008-05-13
7081281 Polymerizable liquid crystal compound, liquid crystal composition and optical anisotropic material Hiromichi Nagayama 2006-07-25
5858268 Liquid crystal optical element, a liquid crystal display element and a projection type liquid crystal display apparatus Satoshi Niiyama 1999-01-12
5776364 Liquid crystal optical element, a method for producing the same and a projection type liquid crystal display apparatus Satoshi Niiyama, Kazuhiko Yamada 1998-07-07