AT&T CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 628 117
 
 
H04M TELEPHONIC COMMUNICATION 625 14
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 618 49
 
 
H04J MULTIPLEX COMMUNICATION 239 24
 
 
H04B TRANSMISSION 226 62
 
 
H04Q SELECTING 149 26
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 144 116
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 73 92
 
 
H04W WIRELESS COMMUNICATION NETWORKS 73 113
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 72 130
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0366,229 Interference Control in a Broadband Powerline Communication System Aug 30, 17 Dec 21, 17 [H04B]
2017/0366,257 METHOD AND APPARATUS FOR ACOUSTIC SENSING USING MULTIPLE OPTICAL PULSES Aug 10, 17 Dec 21, 17 [G01D, H04B, G01M]
2017/0351,756 SYSTEMS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR SEARCHING WITHIN MOVIES (SWiM) Aug 25, 17 Dec 07, 17 [G11B, G06F]
2017/0345,461 SYSTEM AND METHOD FOR CONTENT-BASED NAVIGATION OF LIVE AND RECORDED TV AND VIDEO PROGRAMS Aug 16, 17 Nov 30, 17 [H04N, G11B]
2017/0346,551 METHOD AND APPARATUS FOR ACOUSTIC SENSING USING MULTIPLE OPTICAL PULSES Aug 16, 17 Nov 30, 17 [H04B, G01M]
2017/0308,618 Alert Driven Interactive Interface to a Website Mining System Jul 12, 17 Oct 26, 17 [H04L, G06F]
2017/0201,798 System and Method for Providing Program Recommendations Through Multimedia Searching Based on Established Viewer Preferences Mar 28, 17 Jul 13, 17 [H04N]
2017/0195,691 System and Method of Filtering Noise Mar 20, 17 Jul 06, 17 [H04N]
2017/0147,561 Automatic Translation of Advertisements Feb 06, 17 May 25, 17 [G06Q, G06F, G10L]
2017/0099,643 INCORPORATION OF MESH BASE STATIONS IN A WIRELESS SYSTEM Oct 12, 16 Apr 06, 17 [H04W]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9876769 Broadband certified mail Nov 18, 15 Jan 23, 18 [H04M, H04L]
9866845 Method of content adaptive video encoding Sep 23, 16 Jan 09, 18 [H04N]
9847958 Network-based service for secure electronic mail delivery on an internet protocol network Mar 13, 17 Dec 19, 17 [H04L]
9830535 Method and system for classifying image elements Feb 20, 17 Nov 28, 17 [H04N, G06K]
9832529 Method for content-based non-linear control of multimedia playback Oct 18, 16 Nov 28, 17 [H04N, G06F]
9807731 Combined simulcasting and dedicated services in a wireless communication system Oct 28, 13 Oct 31, 17 [H04H, H04L, H04J, H04W, H04B]
9787394 Method and apparatus for acoustic sensing using multiple optical pulses Feb 13, 15 Oct 10, 17 [H04B, G01M]
9780835 Interference control in a broadband powerline communication system Sep 24, 15 Oct 03, 17 [H04L, H04B]
9780922 Method and apparatus for data transmission using multiple transmit antennas Jul 13, 15 Oct 03, 17 [H04L, H04B, C07K]
9768863 Method and apparatus for acoustic sensing using multiple optical pulses Feb 09, 15 Sep 19, 17 [G01D, H04B, G01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0244,508 Prepaid Micropayments Solution ABAN May 05, 14 Aug 28, 14 [G06Q]
2013/0287,195 Telecommunications Service Provisioning and Banking of Customer Credits ABAN Mar 19, 13 Oct 31, 13 [H04M]
8358574 Interference suppressing OFDM system for wireless communications Expired May 06, 11 Jan 22, 13 [H04J]
2013/0003,615 METHOD AND APPARATUS FOR RETRIEVING ALL VOICEMAIL MESSAGES AT THE SAME TIME ABAN Sep 13, 12 Jan 03, 13 [H04L]
8332632 Method and system for execution monitor-based trusted computing Expired Apr 12, 11 Dec 11, 12 [H04L]
2012/0294,117 Location System And Communication System ABAN Jul 31, 12 Nov 22, 12 [G01S]
8306190 Method and apparatus for enabling communications assistance for law enforcement act services Expired Nov 24, 09 Nov 06, 12 [H04M, H04L]
2012/0260,337 System and Method for Avoiding and Mitigating a DDoS Attack ABAN Jun 19, 12 Oct 11, 12 [G06F]
8261148 Internet protocol multicast with internet protocol unicast/multicast error correction Expired Jul 28, 08 Sep 04, 12 [G06F]
8243708 Method and apparatus for code division switching Expired Nov 16, 09 Aug 14, 12 [H04J, H04B]
8244532 Systems, methods, and programs for detecting unauthorized use of text based communications services Expired Dec 23, 05 Aug 14, 12 [H04M, G10L]
8234115 Systems and methods for determining the N-best strings Expired Nov 21, 02 Jul 31, 12 [G10L]
8224288 Method and apparatus for random access of voice mail messages Expired Dec 20, 05 Jul 17, 12 [H04L]
8224968 Method and system for scalable content storage and delivery Expired Sep 19, 05 Jul 17, 12 [G06F]
2012/0179,840 SYSTEM AND METHOD FOR DISTRIBUTED CONTENT TRANSFORMATION ABAN Mar 26, 12 Jul 12, 12 [G06F]
8218451 Methods and apparatus for detection of hierarchical heavy hitters Expired Feb 01, 11 Jul 10, 12 [G06F]
8200680 Method and apparatus for windowing in entropy encoding Expired Mar 22, 11 Jun 12, 12 [G06F]
8184638 H.323 user, service and service provider mobility framework for the multimedia intelligent networking Expired Dec 24, 08 May 22, 12 [H04L, G06F]
8131583 Method, apparatus, and article of manufacture for generating a service blueprint for monitoring and evaluating organizational processes Expired Oct 27, 05 Mar 06, 12 [G06Q]
8098679 Method and apparatus for providing composite link assignment in network design Expired Oct 02, 09 Jan 17, 12 [H04L, H04B]

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