FIRST CHICAGO/NBD BANK N.A.

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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 3697
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 21341
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2108
 
  
 
G01T MEASUREMENT OF NUCLEAR OR X-RADIATION 250
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6567143 NW twisted nematic LCD with negative and tilted retarders on each side of liquid crystal cell to improve vertical contrast ratiosApr 28, 98May 20, 03[G02F]
6376270 Method of making an array of TFTs having an insulation layer with a low dielectric constantJun 27, 96Apr 23, 02[H01L]
6372534 Method of making a TFT array with photo-imageable insulating layer over address linesApr 12, 96Apr 16, 02[H01L]
6359672 Method of making an LCD or X-ray imaging device with first and second insulating layersOct 20, 97Mar 19, 02[G02F]
6292242 Normally white twisted nematic LCD with positive uniaxial and negative biaxial retardersDec 18, 96Sep 18, 01[G02F]
6243062 Method and system for addressing LCD including thin film diodesMar 06, 98Jun 05, 01[G09G]
6229192 Image sensor or LCD including switching pin diodesJan 27, 98May 08, 01[H01L]
6229588 Normally white LCD including first and second biaxial retardersMar 26, 98May 08, 01[G02F]
6225968 Method and system for addressing LCD including diodesSep 23, 97May 01, 01[G09G]
6222596 Thin film diode including carbon nitride alloy semi-insulator and method of making sameMar 06, 98Apr 24, 01[G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6324252 Plain x-ray bone densitometry apparatus and methodExpiredNov 30, 00Nov 27, 01[G01B]
5963284 LCD with diffuser having diffusing particles therein located between polarizersExpiredApr 01, 98Oct 05, 99[G02F]
5737045 LCD with notch filterExpiredSep 22, 95Apr 07, 98[G02F]
5436745 Flex circuit board for liquid crystal displayExpiredFeb 23, 94Jul 25, 95[G02F]
5161041 Lighting assembly for a backlit electronic display including an integral image splitting and collimating meansExpiredApr 26, 90Nov 03, 92[G02F]
5128783 Diffusing/collimating lens array for a liquid crystal displayExpiredJan 31, 90Jul 07, 92[G02F]
5061040 Liquid crystal displays operated by amorphous silicon alloy diodesExpiredSep 28, 89Oct 29, 91[G02F]
5026980 Light biased photoresponsive array having low conductivity regions separating individual cellsExpiredJan 25, 90Jun 25, 91[H01J]
4990765 Method and means for processing an analog signal from a diode arrayExpiredNov 22, 89Feb 05, 91[H01J]
4961630 Liquid crystal display with auxiliary pixel capacitance interconnected through substrateExpiredMar 15, 89Oct 09, 90[G02F]
4929569 Method of fabricating amorphous silican diode addressed liquid crystal displayExpiredSep 22, 88May 29, 90[H01L]
4910412 Light biased photoresponsive arrayExpiredApr 17, 89Mar 20, 90[H01J]
4907088 Contact-type imager for use as the front end of copier apparatusExpiredJul 21, 88Mar 06, 90[H04N]
4868616 Amorphous electronic matrix array for liquid crystal displayExpiredDec 11, 86Sep 19, 89[H01L]
4868664 Contact type image replication employing a light piping faceplateExpiredJun 20, 88Sep 19, 89[H04N]
4843381 Field sequential color liquid crystal display and methodExpiredNov 16, 88Jun 27, 89[G09G]
4826777 Making a photoresponsive arrayExpiredJul 26, 88May 02, 89[H01L]
4827084 Solid state image detector and signal generatorExpiredNov 19, 87May 02, 89[G08C]
4827085 Voice and image teleconferencing system including paperless facsimile meansExpiredJan 06, 88May 02, 89[H04M, G08C]
4792859 Digitizing wand adapted for manual and automatic operationExpiredFeb 09, 87Dec 20, 88[H04N]

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