P

Inventor

HITTICH REINHARD

DE90 patents
⚠️ This page may combine multiple inventors who share the name “HITTICH REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MERCK PATENT GMBH

48 patents
US4820839AApr 11, 1989

Nitrogen-containing heterocyclic esters

MERCK PATENT GMBH50 citations96
US5122295AJun 16, 1992

Matrix liquid crystal display

MERCK PATENT GMBH69 citations95
US4886621ADec 12, 1989

Liquid crystal phase

MERCK PATENT GMBH48 citations94
US5626793AMay 6, 1997

Liquid-crystalline compounds

MERCK PATENT GMBH33 citations93
US5494606AFeb 27, 1996

1,3-dioxane derivatives, and liquid-crystalline medium

MERCK PATENT GMBH19 citations93
US5403512AApr 4, 1995

Vinyl compounds, and a liquid-crystalline medium

MERCK PATENT GMBH35 citations93
US5368772ANov 29, 1994

Liquid-crystalline medium

MERCK PATENT GMBH33 citations93
US5328642AJul 12, 1994

Liquid-crystalline medium

MERCK PATENT GMBH20 citations93
US5308542AMay 3, 1994

4,4'-disubstituted 2',3-difluorobisphenyls and a liquid-crystalline medium

MERCK PATENT GMBH25 citations93
US5286410AFeb 15, 1994

Supertwist liquid-crystal display

MERCK PATENT GMBH24 citations93
US5178790AJan 12, 1993

Supertwist liquid crystal display

MERCK PATENT GMBH25 citations93
US5045229ASep 3, 1991

Difluoromethylene compounds

MERCK PATENT GMBH41 citations93
US4713197ADec 15, 1987

Nitrogen-containing heterocyclic compounds

MERCK PATENT GMBH28 citations93
US5958290ASep 28, 1999

Electrooptical liquid crystal system

MERCK PATENT GMBH32 citations92
US5378395AJan 3, 1995

Matrix liquid crystal display

MERCK PATENT GMBH20 citations92
US5344587ASep 6, 1994

Electrooptical liquid-crystal system

MERCK PATENT GMBH27 citations92
US5286411AFeb 15, 1994

Liquid-crystalline medium

MERCK PATENT GMBH29 citations92
US4846998AJul 11, 1989

Cyclohexane derivatives

MERCK PATENT GMBH54 citations92
US4726911AFeb 23, 1988

Heterocyclic compounds

MERCK PATENT GMBH25 citations92
US5171469ADec 15, 1992

Liquid-crystal matrix display

MERCK PATENT GMBH38 citations91
US5891360AApr 6, 1999

Phenylcyclohexanes and a liquid-crystalline medium

MERCK PATENT GMBH11 citations82
US5458805AOct 17, 1995

Phenylcyclohexanes and a liquid-crystalline medium

MERCK PATENT GMBH17 citations82
US5389295AFeb 14, 1995

Benzene derivatives, and a liquid crystal medium

MERCK PATENT GMBH19 citations82
US5308541AMay 3, 1994

Halogenated benzene derivatives, and a liquid-crystalline medium

MERCK PATENT GMBH18 citations82
US5271865ADec 21, 1993

Liquid-crystalline mixture of low viscosity

MERCK PATENT GMBH20 citations82
US4985583AJan 15, 1991

Cyclohexane derivatives

MERCK PATENT GMBH19 citations82
US4886620ADec 12, 1989

Smectic liquid-crystalline phases

MERCK PATENT GMBH20 citations82
US4752414AJun 21, 1988

Nitrogen-containing heterocyclic compounds

MERCK PATENT GMBH17 citations82
US4704227ANov 3, 1987

Liquid crystal compounds

MERCK PATENT GMBH24 citations82
US6955837B2Oct 18, 2005

Phenylcyclohexanes and a liquid-crystalline medium

MERCK PATENT GMBH3 citations74
US6905740B2Jun 14, 2005

Matrix liquid crystal display

MERCK PATENT GMBH7 citations74
US6677002B2Jan 13, 2004

Phenylcyclohexanes and a liquid-crystalline medium

MERCK PATENT GMBH6 citations74
US6562419B1May 13, 2003

Matrix liquid crystal display

MERCK PATENT GMBH6 citations74
US6284154B1Sep 4, 2001

Phenylcyclohexanes and a liquid-crystalline medium

MERCK PATENT GMBH7 citations74
US5985171ANov 16, 1999

Liquid-crystalline medium

MERCK PATENT GMBH9 citations74
US5942648AAug 24, 1999

Naphthalene derivatives

MERCK PATENT GMBH14 citations74
US5868962AFeb 9, 1999

Liquid-crystalline medium

MERCK PATENT GMBH15 citations74
US5837162ANov 17, 1998

Liquid-crystalline compounds

MERCK PATENT GMBH7 citations74
US5746941AMay 5, 1998

Liquid-crystalline medium

MERCK PATENT GMBH11 citations74
US5616284AApr 1, 1997

Liquid-crystalline medium

MERCK PATENT GMBH7 citations74
US5520846AMay 28, 1996

Liquid-crystalline medium

MERCK PATENT GMBH18 citations74
US5519525AMay 21, 1996

Matrix liquid crystal display

MERCK PATENT GMBH10 citations74
US5456860AOct 10, 1995

Matrix liquid-crystal display

MERCK PATENT GMBH7 citations74
US5350535ASep 27, 1994

Liquid-crystalline medium

MERCK PATENT GMBH16 citations74
US5292454AMar 8, 1994

Trifluorotoluene compounds, and a liquid crystalline medium

MERCK PATENT GMBH9 citations74
US5250220AOct 5, 1993

2,5-disubstituted heterocyclic compounds, and a liquid-crystalline medium

MERCK PATENT GMBH9 citations74
US5232624AAug 3, 1993

Chiral 1,2-difluorobenzene derivatives

MERCK PATENT GMBH7 citations74
US5230829AJul 27, 1993

Phenylcyclohexanes, and a liquid-crystalline medium

MERCK PATENT GMBH16 citations74

MERCK KGAA

2 patents

Showing the top 50 of 90 patents by PatentIndex Score.