NIPPON TELEGRAPH AND TELEPHONE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 281 42
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 204 108
 
 
H04B TRANSMISSION 167 75
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 137 293
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 131 107
 
 
H04J MULTIPLEX COMMUNICATION 119 39
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 86 246
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 68 33
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 51 140
 
 
H01S DEVICES USING STIMULATED EMISSION 49 51
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0104,582 PROXY COMPUTING SYSTEM, COMPUTING APPARATUS, CAPABILITY PROVIDING APPARATUS, PROXY COMPUTING METHOD, CAPABILITY PROVIDING METHOD, PROGRAM, AND RECORDING MEDIUM Dec 22, 16 Apr 13, 17 [H04L, G06F]
2017/0104,583 PROXY COMPUTING SYSTEM, COMPUTING APPARATUS, CAPABILITY PROVIDING APPARATUS, PROXY COMPUTING METHOD, CAPABILITY PROVIDING METHOD, PROGRAM, AND RECORDING MEDIUM Dec 22, 16 Apr 13, 17 [H04L, G06F]
2017/0098,074 MALWARE DETERMINATION DEVICE, MALWARE DETERMINATION SYSTEM, MALWARE DETERMINATION METHOD, AND PROGRAM Jun 08, 15 Apr 06, 17 [G06N, G06F]
2017/0092,283 ENCODING METHOD, ENCODER, PROGRAM AND RECORDING MEDIUM Jan 13, 15 Mar 30, 17 [G10L]
2017/0068,048 POLARIZATION ROTATOR Mar 04, 15 Mar 09, 17 [G02B]
2017/0070,296 OPTICAL SIGNAL TRANSMISSION APPARATUS AND OPTICAL SIGNAL TRANSMISSION METHOD Mar 17, 15 Mar 09, 17 [H04B]
2017/0070,520 WEBSITE INFORMATION EXTRACTION DEVICE, SYSTEM, WEBSITE INFORMATION EXTRACTION METHOD, AND WEBSITE INFORMATION EXTRACTION PROGRAM Mar 17, 15 Mar 09, 17 [H04L, H04W]
2017/0070,751 IMAGE ENCODING APPARATUS AND METHOD, IMAGE DECODING APPARATUS AND METHOD, AND PROGRAMS THEREFOR Mar 16, 15 Mar 09, 17 [H04N]
2017/0064,322 Video Coding Apparatus Aug 29, 16 Mar 02, 17 [H04N]
2017/0053,656 CODING DEVICE, DECODING DEVICE, METHOD, PROGRAM AND RECORDING MEDIUM THEREOF Mar 16, 15 Feb 23, 17 [G10L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9621299 Coherent communication system, communication method, and transmission method Jan 15, 14 Apr 11, 17 [H04J, H04B]
9614621 Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system Nov 21, 14 Apr 04, 17 [H04L, H04B]
9604742 Method for packing cable Apr 28, 14 Mar 28, 17 [B65H, B65B, B65D]
9607158 Proxy computing system, computing apparatus, capability providing apparatus, proxy computing method, capability providing method, program, and recording medium Oct 25, 11 Mar 28, 17 [H04L, G06F]
9609318 Video encoding method, video decoding method, video encoding apparatus, video decoding apparatus, and programs thereof Aug 10, 11 Mar 28, 17 [H04N]
9600665 Monitoring device and monitoring method Dec 20, 13 Mar 21, 17 [G06F]
9602212 Optical communication system, optical communication method, higher-network apparatus, and optical line terminal Nov 06, 13 Mar 21, 17 [H04L, H04J, H04Q, H04B]
9602220 Quantum repeater network system Jun 11, 14 Mar 21, 17 [H04L, H04B]
9596046 Optical line terminal and optical network unit Mar 12, 13 Mar 14, 17 [H04L, H04J, H04Q, H04B]
9588300 Optical input/output device Dec 06, 13 Mar 07, 17 [G02B, G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9247324 Wavelength selection switch system and method for controlling wavelength selection switch Withdrawn Feb 05, 13 Jan 26, 16 [G02B, H04J, H04Q]
2014/0363,337 CHIP FOR OPTICAL ANALYSIS ABAN Aug 25, 14 Dec 11, 14 [G01N]
2014/0247,865 VIDEO ENCODING METHOD AND APPARATUS, VIDEO DECODING METHOD AND APPARATUS, AND PROGRAM THEREFOR ABAN Oct 18, 12 Sep 04, 14 [H04N]
2014/0133,546 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM ABAN Jun 12, 12 May 15, 14 [H04N]
2014/0119,453 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM ABAN Jun 12, 12 May 01, 14 [H04N]
2014/0010,229 DATA COMMUNICATION SYSTEM, DATA COMMUNICATION TERMINAL, DATA COMMUNICATIN METHOD, AND COMPUTER PROGRAM ABAN Dec 27, 11 Jan 09, 14 [H04L]
2013/0301,721 MULTIVIEW IMAGE ENCODING METHOD, MULTIVIEW IMAGE DECODING METHOD, MULTIVIEW IMAGE ENCODING DEVICE, MULTIVIEW IMAGE DECODING DEVICE, AND PROGRAMS OF SAME ABAN Dec 05, 11 Nov 14, 13 [H04N]
2013/0218,764 ELECTRONIC SETTLEMENT METHOD, SYSTEM, SERVER, AND PROGRAM THEREOF ABAN Mar 18, 13 Aug 22, 13 [G06Q]
2013/0136,187 VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING APPARATUS, VIDEO DECODING APPARATUS, AND PROGRAM THEREOF ABAN Aug 05, 11 May 30, 13 [H04N]
2013/0114,733 ENCODING METHOD, DECODING METHOD, DEVICE, PROGRAM, AND RECORDING MEDIUM ABAN Jul 04, 11 May 09, 13 [H04N]
2013/0101,028 ENCODING METHOD, DECODING METHOD, DEVICE, PROGRAM, AND RECORDING MEDIUM ABAN Jul 04, 11 Apr 25, 13 [H04N]
2013/0058,584 IMAGE ENCODING AND DECODING FOR MULTI-VIEWPOINT IMAGES ABAN Sep 12, 12 Mar 07, 13 [G06K]
2012/0320,985 MOTION VECTOR PREDICTIVE ENCODING METHOD, MOTION VECTOR PREDICTIVE DECODING METHOD, MOVING PICTURE ENCODING APPARATUS, MOVING PICTURE DECODING APPARATUS, AND PROGRAMS THEREOF ABAN Feb 04, 11 Dec 20, 12 [H04N]
2012/0320,986 MOTION VECTOR ESTIMATION METHOD, MULTIVIEW VIDEO ENCODING METHOD, MULTIVIEW VIDEO DECODING METHOD, MOTION VECTOR ESTIMATION APPARATUS, MULTIVIEW VIDEO ENCODING APPARATUS, MULTIVIEW VIDEO DECODING APPARATUS, MOTION VECTOR ESTIMATION PROGRAM, MULTIVIEW VIDEO ENCODING PROGRAM, AND MULTIVIEW VIDEO DECODING PROGRAM ABAN Feb 18, 11 Dec 20, 12 [H04N]
2012/0314,776 MULTIVIEW VIDEO ENCODING METHOD, MULTIVIEW VIDEO DECODING METHOD, MULTIVIEW VIDEO ENCODING APPARATUS, MULTIVIEW VIDEO DECODING APPARATUS, AND PROGRAM ABAN Feb 21, 11 Dec 13, 12 [H04N]
2012/0294,372 MOTION VECTOR PREDICTIVE ENCODING METHOD, MOTION VECTOR PREDICTIVE DECODING METHOD, MOVING PICTURE ENCODING APPARATUS, MOVING PICTURE DECODING APPARATUS, AND PROGRAMS THEREOF ABAN Feb 08, 11 Nov 22, 12 [H04N]
2012/0288,242 OPTICAL MODULE ABAN May 09, 12 Nov 15, 12 [G02B]
8278781 Discharger and discharger control method Expired May 25, 07 Oct 02, 12 [H01H, H02J]
8238325 Packet communication network and packet communication method Expired Oct 25, 05 Aug 07, 12 [H04L]
8239145 Method, device and program for presenting inner force sense and program Expired Oct 31, 05 Aug 07, 12 [G01L]

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