EIDAK CORPORATION

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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

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5283600 LCD projectorFeb 22, 93Feb 01, 94[G02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5034981 Anti-copying video signal processingExpiredDec 27, 89Jul 23, 91[H04N]
5003590 Encoding an optical video disc to inhibit video tape recordingExpiredDec 18, 89Mar 26, 91[H04N]
4914694 Modifying a television signal to inhibit recording/reproductionExpiredApr 11, 88Apr 03, 90[H04N]

Top Inventors for This Owner

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