COPYTELE, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 5146
 
  
 
A46B BRUSHES 129
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 1124
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D383750 Personal telecommunications terminalMar 22, 96Sep 16, 97[1403]
5498674 Colored polymeric dielectric particles and method of manufactureMay 11, 94Mar 12, 96[C08F]
5499038 Method of operation for reducing power, increasing life and improving performance of EPIDsJan 11, 94Mar 12, 96[G09G]
5402145 Electrophoretic display panel with arc driven individual pixelsFeb 17, 93Mar 28, 95[G09G]
5360689 Colored polymeric dielectric particles and method of manufactureMay 21, 93Nov 01, 94[G03G]
5187609 Electrophoretic display panel with semiconductor coated elementsMar 27, 91Feb 16, 93[G09G, G02B]
5177476 Methods of fabricating dual anode, flat panel electrophoretic displaysAug 19, 91Jan 05, 93[G09G]
5174882 Electrode structure for an electrophoretic display apparatusNov 25, 91Dec 29, 92[G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7661896 Therapeutic writing instrument devices and methodsExpiredJun 13, 05Feb 16, 10[A46B]
2009/0115,756 Matrix phosphor cold cathode display employing ion activated phosphorsAbandonedMay 12, 08May 07, 09[G09G]
2005/0162,063 Hybrid active matrix thin-film transistor displayAbandonedJan 22, 04Jul 28, 05[H01J]
6198809 Multi-functional personal telecommunications apparatusExpiredJun 12, 98Mar 06, 01[H04M]
6148066 Multi-functional personal communications apparatus capable of transmitting a facsimile document and then changes thereto simultaneously with other communicationsExpiredSep 08, 98Nov 14, 00[H04M]
6097145 Aerogel-based phase transition flat panel displayExpiredApr 27, 98Aug 01, 00[H01J]
5932633 Method for making polymers-coated pigment particles using initiator-treated pigmentsExpiredAug 22, 97Aug 03, 99[C08K]
5896005 High speed solid state optical displayExpiredJan 29, 97Apr 20, 99[H01J, G02F]
5835577 Multi-functional personal telecommunications apparatusExpiredApr 25, 96Nov 10, 98[H04M, 110., 100.]
5783614 Polymeric-coated dielectric particles and formulation and method for preparing sameExpiredFeb 21, 97Jul 21, 98[C08K]
5707738 Black electrophoretic particles and method of manufactureExpiredSep 14, 94Jan 13, 98[H01B, B32B]
5508720 Portable telecommunication device with removable electrophoretic displayExpiredFeb 02, 94Apr 16, 96[G09G]
5467107 Electrophoretic display panel with selective character addressabilityExpiredSep 28, 94Nov 14, 95[G09G]
5460688 Dual anode flat panel electrophoretic display apparatusExpiredMay 05, 93Oct 24, 95[G09G]
5459776 Data/facsimile telephone subset apparatus incorporating electrophoretic displaysExpiredJan 21, 94Oct 17, 95[H04M, H03M, G09G, G06F]
5450069 Data/facsimile telephone subset apparatus incorporating electrophoretic displaysExpiredJun 23, 94Sep 12, 95[H03K, G09G, G06F]
5411656 Gas absorption additives for electrophoretic suspensionsExpiredAug 12, 93May 02, 95[C25D]
5412398 Electrophoretic display panel and associated methods for blinking displayed charactersExpiredMar 08, 94May 02, 95[G09G]
5403518 Formulations for improved electrophoretic display suspensions and related methodsExpiredDec 02, 93Apr 04, 95[C09K, C25D]
5380362 Suspension for use in electrophoretic image display systemsExpiredJul 16, 93Jan 10, 95[C08K]

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