HK

Hiroshi Kumai

AC Asahi Glass Co.: 4 patents #2 of 220Top 1%
Overall (2011): #27,537 of 364,097Top 8%
4
Patents 2011

Issued Patents 2011

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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