MANCHESTER R&D LIMITED PARTNERSHIP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5345322 Complementary color liquid crystal displayMay 03, 93Sep 06, 94[G02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5208686 Liquid crystal color display and methodExpiredMay 19, 92May 04, 93[G02F]
5168380 Multiple containment mediums of operationally nematic liquid crystal responsive to a prescribed inputExpiredJan 06, 92Dec 01, 92[G02F]
5142389 Liquid crystal color display and methodExpiredMay 11, 90Aug 25, 92[G09G, G02F]
5132815 Liquid crystal color display having volumes of the liquid crystal material without separating electrode means therebetweenExpiredNov 03, 89Jul 21, 92[G02F]
5130828 Liquid crystal temperature sensor and materialsExpiredOct 03, 89Jul 14, 92[G02F]
5107352 Multiple containment mediums of operationally nematic liquid crystal responsive to a prescribed inputExpiredMay 14, 90Apr 21, 92[G02F]
5103326 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scatteringExpiredJul 26, 91Apr 07, 92[G02F]
5089904 Encapsulated liquid crystal material, apparatus and methodExpiredOct 31, 90Feb 18, 92[G02F]
5082351 Encapsulated liquid crystal material, apparatus and methodExpiredApr 14, 89Jan 21, 92[G02F]
5061041 Liquid crystal motion picture projector with memoryExpiredOct 26, 90Oct 29, 91[G03B, G02F]
5052784 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scatteringExpiredAug 10, 89Oct 01, 91[G02F]
5016984 Liquid crystal motion picture projector with memoryExpiredApr 29, 88May 21, 91[G03B, G02F]
4953953 Complementary color liquid displayExpiredDec 21, 89Sep 04, 90[G02F]
4884873 Encapsulated liquid crystal material, apparatus and method having interconnected capsulesExpiredOct 27, 87Dec 05, 89[G02F]
4884877 Liquid crystal temperature sensor and materials utilizing microencapsulated liquid crystalExpiredJan 22, 86Dec 05, 89[G02F]
4878741 Liquid crystal color display and methodExpiredDec 16, 86Nov 07, 89[G02F]
4856876 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scatteringExpiredJun 23, 86Aug 15, 89[G02F]
4850678 Colored encapsulated liquid crystal apparatus using enhanced scatteringExpiredSep 02, 88Jul 25, 89[G02F]
4844596 Aligning and distorting features in enhanced scattering voltage sensitive encapsulated liquid crystalExpiredMar 19, 86Jul 04, 89[G02F]
4838660 Colored encapsulated liquid crystal apparatus using enhanced scatteringExpiredMar 18, 86Jun 13, 89[G02F]

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