KENT DISPLAYS INCORPORATED

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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 31102
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 16135
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1184
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
C07D HETEROCYCLIC COMPOUNDS 2160
 
  
 
A45D HAIRDRESSING OR SHAVING EQUIPMENT; MANICURING OR OTHER COSMETIC TREATMENT 135
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B43L ARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING 18

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0031,886 LIQUID CRYSTAL EWRITER SYSTEM WITH RESISTIVE DIGITIZER AND HAVING MECHANICAL PALM REJECTIONAug 01, 17Feb 01, 18[G06F, G02F]
2015/0286,085 LIQUID CRYSTAL DISPLAY WITH IDENTIFIERSApr 02, 14Oct 08, 15[G06F, G02F]
2010/0265,214 WRITING TABLET INFORMATION RECORDING DEVICEMay 26, 10Oct 21, 10[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9851612 Liquid crystal display with identifiersApr 02, 14Dec 26, 17[G06F, G02F]
9651813 Liquid crystal paperSep 17, 12May 16, 17[G02F]
9235075 Electronic display with patterned layerMay 22, 12Jan 12, 16[G02F]
9235096 Inductive switching of cholesteric liquid crystal display deviceAug 26, 13Jan 12, 16[G09G, G02F]
9229259 Cholesteric writing board display deviceMay 17, 13Jan 05, 16[G02F]
9134561 Writing tablet information recording deviceOct 18, 13Sep 15, 15[G06F, G02F]
9116379 Electronic display with semitransparent back layerMay 22, 12Aug 25, 15[B43L, G02F]
9005478 2,2′-binaphthalene ester chiral dopants for cholesteric liquid crystal displaysJan 06, 14Apr 14, 15[C09K, C07D, C07C]
8970810 Electronic display with internal ledgesJan 30, 13Mar 03, 15[G02F]
8958048 Multi-functional gasket for electrooptical displayJul 16, 12Feb 17, 15[G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0017,099 Liquid Crystal PaperAbandonedSep 29, 16Jan 19, 17[G02F]
2013/0342,432 Cholesteric Liquid Crystal Writing Tablet Erased By A Piezoelectric TransducerAbandonedAug 13, 13Dec 26, 13[G09G]
2013/0342,488 CHOLESTERIC LIQUID CRYSTAL WRITING TABLET ERASED BY A PIEZOELECTRIC TRANSDUCERAbandonedJun 26, 13Dec 26, 13[G06F]
2013/0278,845 EMBEDDED ELECTROOPTICAL DISPLAYAbandonedApr 18, 12Oct 24, 13[B29C, G02F]
2013/0107,144 WRITING TABLET INFORMATION RECORDING DEVICEAbandonedNov 01, 12May 02, 13[G02F]
2012/0268,420 WRITING TABLET INFORMATION RECORDING DEVICEAbandonedApr 27, 12Oct 25, 12[G06F]
2010/0157,180 LIQUID CRYSTAL DISPLAYAbandonedApr 06, 07Jun 24, 10[G02F]
2010/0141,689 ELECTRONIC SKIN READERAbandonedDec 04, 09Jun 10, 10[G09G]
7479940 Display device with electrical zipper interconnectExpiredNov 14, 05Jan 20, 09[G09G]
2007/0279,350 METHOD AND APPARATUS FOR DRIVING BISTABLE LIQUID CRYSTAL DISPLAYAbandonedJan 24, 07Dec 06, 07[G09G]
2007/0195,031 MULTI-CONFIGURATION DISPLAY DRIVERAbandonedMar 01, 07Aug 23, 07[G09G]
7190337 Multi-configuration display driverExpiredFeb 19, 04Mar 13, 07[G09G]
6483563 Brightness enhancement for bistable cholesteric displaysExpiredOct 09, 01Nov 19, 02[G02F]
6462805 Reverse-mode direct-view display employing a liquid crystal having a characteristic wavelength in the non-visible spectrumExpiredJun 04, 01Oct 08, 02[G02F]
6020941 Stereographic liquid crystal display employing switchable liquid crystal materials of two polarities in separate channelsExpiredFeb 12, 98Feb 01, 00[G02B, G02F]
5949513 Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniquesExpiredOct 13, 98Sep 07, 99[G02F]
5825451 Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniquesExpiredOct 17, 97Oct 20, 98[G02F]
5661533 Ultra fast response, multistable reflective cholesteric liquid crystal displaysExpiredMay 19, 95Aug 26, 97[G02F]
5570216 Bistable cholesteric liquid crystal displays with very high contrast and excellent mechanical stabilityExpiredApr 14, 95Oct 29, 96[G02F]
D364521 Coupon dispensing apparatusExpiredSep 29, 94Nov 28, 95[]

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