Inventor · Kakegawa, JP

Mikio Murakami

18Patents
6h-index
25Co-inventors
58Inventor score

Filing activity: Aug 3, 1990 → May 2, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5437813A Liquid crystal display device Chemistry; Metallurgy 20 Expired
US5257122A Ferroelectric liquid crystal display having gray steps or a continuous gray scale Physics 18 Expired
US5118538A Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements Physics 16 Expired
US5384070A Use of optically active tetrahydrofuran-2-carboxylic acid esters as dopants in liquid-crystal mixtures, liquid-crystal mixtures containing same and novel optically active tetrahydrofuran-2-carboxylic acid esters Chemistry; Metallurgy 14 Expired
US5353136A Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale Physics 8 Expired
US5348684A Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures Chemistry; Metallurgy 6 Expired
US5407599A Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in liquid-crystalline mixtures Chemistry; Metallurgy 6 Expired
US5231528A Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch Physics 6 Expired
US5859680A Electrical addressing of ferroelectric liquid-crystal displays Physics 5 Expired
US5166304A Use of polyaryl ether ketones as alignment layers Chemistry; Metallurgy 5 Expired
US5408347A Polyester based liquid-crystal display device Physics 3 Expired
US5328638A Optically active esters of 5-ethyl- and 5-vinyl-1,3-dioxolane-4-carboxylic acid, their use as doping substances in liquid crystal mixtures and the liquid crystal mixtures containing the new esters Chemistry; Metallurgy 3 Expired
US5286409A Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures Chemistry; Metallurgy 3 Expired
US5331081A Use of fluorinated aromatic polyamides as orientation layer for liquid-crystal switching and display devices Emerging Cross-Sectional Technologies 3 Expired
US5196501A Substituted aromatic polyamides as orientation layers for liquid crystal display elements and liquid crystal switching elements Emerging Cross-Sectional Technologies 2 Expired
US5378394A Ferroelectric liquid-crystalline mixtures Chemistry; Metallurgy 2 Expired
US5354500A Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them Physics 0 Expired
US5594575A Ferroelectric liquid-crystal systems having three or more chiral additives with different signs of the helical twist in the cholesteric phase Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.