FELDMAN TECHNOLOGY CORPORATION

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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 9142
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
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
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
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
6765651 Fast image simulation for photolithographyMar 11, 03Jul 20, 04[G03B, G01R, G06K]
6184849 AC plasma display gray scale drive system and methodJan 12, 98Feb 06, 01[G09G]
6111555 System and method for driving a flat panel display and associated driver circuitFeb 12, 98Aug 29, 00[G09G]
6104361 System and method for driving a plasma display panelSep 23, 97Aug 15, 00[G09G]
5995088 Display device having intergrated circuit chips thereonDec 30, 97Nov 30, 99[G09G]
5986391 Transparent electrodesMar 09, 98Nov 16, 99[H01J]
5828356 Plasma display gray scale drive system and methodNov 19, 92Oct 27, 98[G09G]
5754171 Display device having integrated circuit chips thereonOct 21, 92May 19, 98[G09G]
5742265 AC plasma gas discharge gray scale graphic, including color and video display drive systemJan 21, 93Apr 21, 98[G09G]
5519520 AC plasma address liquid crystal displayFeb 08, 94May 21, 96[G09G, G02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7115212 Method for etchingExpiredJun 06, 03Oct 03, 06[C23F]
6987509 System and method for driving a flat panel display and associated driver circuitExpiredJun 26, 00Jan 17, 06[G09G]
6765561 Display device having integrated circuit chips thereonExpiredAug 26, 99Jul 20, 04[G09G]
6749766 Etched metal oxide filmExpiredJan 10, 03Jun 15, 04[C23F]
2001/0035,574 Method for etchingAbandonedFeb 26, 01Nov 01, 01[H01L]
6307318 Apparatus for making back glass substrate for plasma display panel and resultant productExpiredAug 26, 99Oct 23, 01[H01J]
6222511 AC plasma gas discharge gray scale graphics, including color, and video display drive systemExpiredJan 12, 98Apr 24, 01[G09G]
6193901 Method for etchingExpiredNov 04, 98Feb 27, 01[C23F]
6180021 Method for etchingExpiredOct 20, 99Jan 30, 01[C23F]
6174452 Method for etchingExpiredJul 09, 99Jan 16, 01[C23F]
6075504 Flat panel display screens and systemsExpiredMar 19, 93Jun 13, 00[G09G]
5976396 Method for etchingExpiredFeb 10, 98Nov 02, 99[C23F]
5967871 Method for making back glass substrate for plasma display panelExpiredJul 24, 97Oct 19, 99[H01J]

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