NEC USA, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5406627 Digital data cryptographic systemDec 28, 92Apr 11, 95[H04N]
5267312 Audio signal cryptographic systemSep 20, 91Nov 30, 93[H04N]
5185794 System and method for scrambling and/or descrambling a video signalSep 20, 91Feb 09, 93[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2004/0202,148 System and method of data stream transmission over MPLSAbandonedJan 31, 01Oct 14, 04[H04L, H04J]
6606162 Network printer groupsExpiredJul 21, 99Aug 12, 03[G06F]
2003/0041,142 Generic network monitoring toolAbandonedAug 27, 01Feb 27, 03[G06F]
2002/0174,335 IP-based AAA scheme for wireless LAN virtual operatorsAbandonedNov 21, 01Nov 21, 02[H04L, G06F]
5091938 System and method for transmitting entertainment information to authorized ones of plural receiversExpiredAug 06, 90Feb 25, 92[H04L, H04N]

Top Inventors for This Owner

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