Inventor

Michael Wittek

Inventor

Darmstadt, DE

Overview

2008–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 56 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere60%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

C07DHeterocyclic compounds8%

H01QAntennas, i.e. radio aerials6%

C07CAcyclic or carbocyclic compounds4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

H01PWaveguides2%

F21SNon-portable lighting devices1%

G02BOptical elements, systems or apparatus1%

H04NPictorial communication, e.g. television1%

PatentTitleYear

11,008,514Liquid crystal medium2021 10,858,587Liquid-crystalline medium, compounds, and high-frequency components2020 10,738,243Liquid-crystalline medium and liquid-crystal display2020 10,711,197Liquid-crystalline medium and high-frequency components comprising same2020 10,676,670Liquid-crystalline medium and high-frequency components comprising same2020 10,662,377Liquid-crystalline medium2020 10,604,703Liquid crystal medium and liquid crystal display2020 10,550,326Liquid-crystalline medium and high-frequency components comprising same2020 10,450,509Liquid crystal medium and liquid display2019 10,323,188Liquid-crystalline medium and high-frequency components comprising same2019 10,138,420Polymerisable mesogenic compound, liquid crystal medium and liquid crystal display2018 9,938,464Liquid crystal medium and liquid crystal display2018 9,938,462Liquid-crystalline media, components for high-frequency technology, and mesogenic compounds2018 9,862,887'Liquid crystal medium and liquid crystal display'2018 9,822,305'Liquid crystal medium and liquid crystal display'2017 9,809,749'Mesogenic compound, liquid-crystal medium and liquid crystal display'2017 9,745,512'Liquid-crystalline medium'2017 9,612,445'Lens element'2017 9,593,279'Liquid-crystalline medium and high-frequency components comprising same'2017 9,475,990'Liquid crystal medium and liquid crystal display'2016 9,315,729'Polymerizable compounds and their use in liquid crystal media and liquid crystal displays'2016 9,120,969'Liquid crystal medium and liquid crystal display'2015 8,906,261'Liquid crystal medium containing thiophene derivatives'2014 8,871,952'Thiophene compounds for liquid-crystalline media'2014 8,834,744'Liquid-crystalline medium'2014 8,821,757'Liquid-crystalline medium'2014 8,673,178'Liquid crystal medium'2014 8,659,737'Liquid crystal medium and liquid crystal display'2014 8,609,714'Thiophene compounds for liquid-crystalline media'2013 8,585,922'Liquid-crystalline medium'2013 8,574,456'Liquid-crystalline medium and liquid crystal display'2013 8,404,150'Liquid-crystalline medium and liquid-crystal display'2013 8,394,292'Liquid-crystalline medium and liquid-crystal display'2013 8,268,191'Liquid-crystalline medium and liquid-crystal display'2012 8,236,390'Liquid-crystalline medium'2012 8,231,806'Liquid-crystalline medium and liquid-crystal display'2012 8,017,200'Liquid-crystalline medium'2011 8,012,370'Liquid-crystalline medium and liquid-crystal display'2011 7,972,664'Liquid-crystalline medium'2011 7,964,253'Liquid-crystalline medium and liquid-crystal display'2011 7,923,079'Liquid-crystalline medium and liquid-crystal display comprising 1,2-difluoroethene compounds'2011 7,838,090'Liquid-crystalline medium and liquid-crystal display'2010 7,807,236'Liquid-crystalline medium'2010 7,790,247'Liquid-crystalline medium'2010 7,767,277'Fluorophenyl compounds for liquid-crystalline mixtures'2010 7,763,329'Liquid-crystalline medium'2010 7,682,671'Liquid crystalline medium and liquid crystal display'2010 7,678,432'Liquid-crystalline medium'2010 7,670,655'Liquid-crystalline medium'2010 7,651,742'Liquid-crystalline medium and liquid-crystal display comprising 1,2-difluoroethene compounds'2010 7,622,165'Liquid-crystalline medium'2009 7,595,101'Liquid-crystalline medium'2009 7,579,053'Liquid crystalline medium and liquid crystal display'2009 7,455,894'Liquid-crystalline medium'2008 7,442,419'Liquid-crystalline medium and liquid-crystal display'2008 7,438,956'Liquid-crystalline medium and liquid-crystal display'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2021Patents assigned to MERCK PATENT GMBH (55)· patent assignee history

2008–2021Based in Darmstadt, DE· patent location history

2012–2019Patents assigned to WITTEK MICHAEL (16)· patent assignee history

2012–2017Patents assigned to SCHULER BRIGITTE (11)· patent assignee history

2012–2019Patents assigned to REIFFENRATH VOLKER (7)· patent assignee history

2012–2013Patents assigned to CZANTA MARKUS (6)· patent assignee history

2013–2020Based in Erzhausen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK PATENT GMBH	55	2008–2021
WITTEK MICHAELself	16	2012–2019
SCHULER BRIGITTE	11	2012–2017
REIFFENRATH VOLKER	7	2012–2019
CZANTA MARKUS	6	2012–2013

Locations

Location	Patents	Span
Darmstadt, DE	29	2008–2021
Erzhausen, DE	27	2013–2020