RETINAL DISPLAYS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6161084 Information retrieval utilizing semantic representation of text by identifying hypernyms and indexing multiple tokenized semantic structures to a same passage of textAug 03, 99Dec 12, 00[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6426811 Switchable holographic optical systemExpiredAug 03, 99Jul 30, 02[F21V, G09G, G02B, G03H]
6407724 Method of and apparatus for viewing an imageExpiredApr 09, 98Jun 18, 02[G02B]
6381340 Method for calculating relative phases between signal channels in a multi-sensor tracking deviceExpiredJun 09, 99Apr 30, 02[G06K]
6239784 Exo-skeletal haptic computer human/computer interface deviceExpiredOct 27, 94May 29, 01[G09G]
5945978 Haptic computer output deviceExpiredSep 28, 93Aug 31, 99[G09G]
5739955 Head mounted display opticsExpiredFeb 10, 97Apr 14, 98[G02B]
D375731 HeadsetExpiredNov 06, 95Nov 19, 96[]
4984179 Method and apparatus for the perception of computer-generated imageryExpiredSep 07, 89Jan 08, 91[G06F, G06K]
4884219 Method and apparatus for the perception of computer-generated imageryExpiredJan 15, 88Nov 28, 89[G06F, G06K]

Top Inventors for This Owner

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