P

Inventor

MURAKAMI MIKIO

JP19 patents
⚠️ This page may combine multiple inventors who share the name “MURAKAMI MIKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST AG

18 patents
US5437813AAug 1, 1995

Liquid crystal display device

HOECHST AG26 citations92
US5384070AJan 24, 1995

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

HOECHST AG26 citations92
US5257122AOct 26, 1993

Ferroelectric liquid crystal display having gray steps or a continuous gray scale

HOECHST AG24 citations92
US5118538AJun 2, 1992

Electrically conductive polymers and their use as orienting layer in liquid-crystal switching and display elements

HOECHST AG20 citations80
US5407599AApr 18, 1995

Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in liquid-crystalline mixtures

HOECHST AG11 citations73
US5408347AApr 18, 1995

Polyester based liquid-crystal display device

HOECHST AG7 citations73
US5353136AOct 4, 1994

Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale

HOECHST AG9 citations73
US5348684ASep 20, 1994

Organosilylalkyl or organosilylalkenyl compounds, process for preparing them and their use in liquid-crystalline mixtures

HOECHST AG9 citations73
US5231528AJul 27, 1993

Ferroelectric liquid crystal components having high spontaneous polarization and low helical pitch

HOECHST AG12 citations73
US5859680AJan 12, 1999

Electrical addressing of ferroelectric liquid-crystal displays

HOECHST AG8 citations71
US5166304ANov 24, 1992

Use of polyaryl ether ketones as alignment layers

HOECHST AG11 citations68
US5378394AJan 3, 1995

Ferroelectric liquid-crystalline mixtures

HOECHST AG3 citations62
US5331081AJul 19, 1994

Use of fluorinated aromatic polyamides as orientation layer for liquid-crystal switching and display devices

HOECHST AG5 citations62
US5328638AJul 12, 1994

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

HOECHST AG3 citations62
US5286409AFeb 15, 1994

Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures

HOECHST AG3 citations62
US5196501AMar 23, 1993

Substituted aromatic polyamides as orientation layers for liquid crystal display elements and liquid crystal switching elements

HOECHST AG2 citations62
US5594575AJan 14, 1997

Ferroelectric liquid-crystal systems having three or more chiral additives with different signs of the helical twist in the cholesteric phase

HOECHST AG1 citations52
US5354500AOct 11, 1994

Optically active carboxylic esters of oxygen-containing heterocycles as doping substances in liquid crystal mixtures and liquid crystal mixtures containing them

HOECHST AG0 citations41

SHARP CHEMICAL IND CO LTD

1 patent