NIPPON TELEGRAPH AND TELEPHONE CORPORATION

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 47 70
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 25 87
 
 
H04B TRANSMISSION 24 51
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 23 53
 
 
H04J MULTIPLEX COMMUNICATION 16 22
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 13 195
 
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 9 97
 
 
H04W WIRELESS COMMUNICATION NETWORKS 9 89
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 7 40
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 6 79
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0270,776 OPTICAL COMMUNICATION APPARATUS, OPTICAL ROUTE SWITCHING APPARATUS AND NETWORK Apr 26, 12 Sep 18, 14 [H04J, H04Q]
2014/0254,989 OPTICAL FIBER CABLE HAVING CONNECTOR AND ASSEMBLING METHOD THEREOF May 21, 14 Sep 11, 14 [G02B]
2014/0247,865 VIDEO ENCODING METHOD AND APPARATUS, VIDEO DECODING METHOD AND APPARATUS, AND PROGRAM THEREFOR Oct 18, 12 Sep 04, 14 [H04N]
2014/0241,699 CONTENT PLAYBACK INFORMATION ESTIMATION APPARATUS AND METHOD AND PROGRAM Nov 01, 12 Aug 28, 14 [H04N]
2014/0230,375 METHOD FOR PACKING CABLE Apr 28, 14 Aug 21, 14 [B65B]
2014/0231,627 OPTO-ELECTRONIC INTEGRATED CIRCUIT, ARRAY ANTENNA TRANSMITTER, ARRAY ANTENNA RECEIVER, AND TRANSMITTER Sep 21, 12 Aug 21, 14 [G01J]
2014/0233,084 PHASE MODULATION APPARATUS Apr 26, 13 Aug 21, 14 [G02F]
2014/0233,646 METHODS, APPARATUSES, AND PROGRAMS FOR ENCODING AND DECODING PICTURE Nov 01, 12 Aug 21, 14 [H04N]
2014/0219,654 OPTICAL NETWORK SYSTEM Oct 12, 12 Aug 07, 14 [H04Q, H04B]
2014/0211,814 COMMUNICATION SYSTEM, TRANSMITTER APPARATUS AND RECEIVER APPARATUS Sep 25, 12 Jul 31, 14 [H04J]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,837,886 Optical fiber cable having a sheath and for setting in a conduit Aug 06, 09 Sep 16, 14 [G02B]
8,830,965 Radio communication method, radio communication system, radio base station, and radio terminal station Jul 08, 10 Sep 09, 14 [H04W]
8,817,813 System and method for adaptive channel scanning within a wireless network Oct 02, 06 Aug 26, 14 [H04J, H04W]
8,819,039 Method and system to generate a listing in a network-based commerce system Aug 25, 03 Aug 26, 14 [G06F]
8,811,486 Video encoding method, video encoding apparatus, video encoding program and storage medium of the same Apr 08, 08 Aug 19, 14 [H04N, G06K]
8,800,323 Method of sealing air holes in an optical fiber Mar 05, 08 Aug 12, 14 [C03B]
8,798,024 Control station device, transmitting station device, communication method, and communication system Dec 03, 09 Aug 05, 14 [H04K, H04J, H04B]
8,792,359 Communication system, transmitting device, receiving device, transmission method, and communication method Dec 16, 09 Jul 29, 14 [H04J]
8,793,124 Speech processing method and apparatus for deciding emphasized portions of speech, and program therefor Apr 05, 06 Jul 29, 14 [G10L]
8,787,203 Virtual network control method and system based on fluctuations Jan 27, 11 Jul 22, 14 [H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2013/0058,584 IMAGE ENCODING AND DECODING FOR MULTI-VIEWPOINT IMAGES Sep 12, 12 Mar 07, 13 [G06K]
2012/0172,735 BLOOD PRESSURE MEASURING APPARATUS AND BLOOD PRESSURE MEASURING METHOD Mar 16, 12 Jul 05, 12 [A61B]
2012/0123,788 CODING METHOD, DECODING METHOD, AND DEVICE AND PROGRAM USING THE METHODS Jun 22, 10 May 17, 12 [H04B, G10L]
2011/0304,897 Optical Semiconductor Module and Method for Assembling the Same Oct 09, 09 Dec 15, 11 [G02B, G02F, H01L]
2011/0273,443 SYSTEM AND A METHOD FOR THREE-DIMENSIONAL MODELING OF A THREE-DIMENSIONAL SCENE FEATURES Aug 12, 09 Nov 10, 11 [G06T]
8,009,994 Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method Apr 02, 09 Aug 30, 11 [H04B]
2011/0170,832 OPTICAL TRANSCEIVER MODULE AND METHOD OF MANUFACTURING THE OPTICAL TRANSCEIVER MODULE Jan 04, 11 Jul 14, 11 [B23P, G02B]
2011/0141,458 Coated Optical Fiber Identifying Apparatus and Coated Optical Fiber Identifying Method Jun 30, 09 Jun 16, 11 [G01N]
2011/0132,786 PACKING CONFIGURATION OF CABLE Aug 06, 09 Jun 09, 11 [B65D]
2011/0116,745 OPTICAL CONNECTOR, AND ASSEMBLING METHOD OF OPTICAL CONNECTOR Jan 24, 11 May 19, 11 [G02B]
2011/0108,579 PUMP RETENTION COLLAR AND METHODS FOR USING THE SAME May 19, 09 May 12, 11 [G01F, B65D]
2011/0026,585 VIDEO QUALITY OBJECTIVE ASSESSMENT METHOD, VIDEO QUALITY OBJECTIVE ASSESSMENT APPARATUS, AND PROGRAM Mar 23, 09 Feb 03, 11 [H04N]
2011/0013,694 VIDEO QUALITY OBJECTIVE ASSESSMENT METHOD, VIDEO QUALITY OBJECTIVE ASSESSMENT APPARATUS, AND PROGRAM Mar 23, 09 Jan 20, 11 [H04N, G06K]
2010/0285,612 FLOW RATE MEASUREMENT APPARATUS, ANTIGEN CONCENTRATION MEASUREMENT APPARATUS, FLOW CELL, FLOW RATE MEASUREMENT METHOD, AND ANTIGEN CONCENTRATION MEASURING METHOD Jan 15, 09 Nov 11, 10 [G01N]
2010/0245,051 Communication Method for Noncontact RF ID System, Noncontact RF ID System, and Transmitter and Receiver Jun 11, 10 Sep 30, 10 [H04Q]
2010/0247,039 OPTICAL CONNECTOR AND METHOD OF ASSEMBLING THE SAME May 09, 08 Sep 30, 10 [G02B, H05K]
2010/0233,033 FLOW CELL AND METHOD FOR MANUFACTURING THE SAME Jun 26, 07 Sep 16, 10 [B44C, B01L, B81B, B32B, B05D, G01N]
2010/0217,990 COMMUNICATION METHOD, RELAY SERVER DEVICE, PROGRAM, AND RECORDING MEDIUM May 28, 08 Aug 26, 10 [H04L, G06F]
2010/0187,276 OPTICAL FIBER CUTTING DEVICE, OPTICAL FIBER CUTTING METHOD, AND OPTICAL FIBER CUTTING BLADE MEMBER Oct 24, 08 Jul 29, 10 [G02B, B26F, C03B]
7,749,626 Fuel cell power generating system with two fuel cells of different types and method of controlling the same Nov 12, 03 Jul 06, 10 [H01M]

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