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 282 37
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 154 98
 
 
H04B TRANSMISSION 143 80
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 122 279
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 117 101
 
 
H04J MULTIPLEX COMMUNICATION 106 45
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 87 229
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 58 38
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 55 120
 
 
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
2015/0177,457 INTEGRATED OPTICAL MODULE Jul 26, 13 Jun 25, 15 [G02B]
2015/0177,474 LENS HOLDER, LENS OPTICAL ASSEMBLY COMPONENT, AND PACKAGE WHEREIN LENS OPTICAL ASSEMBLY COMPONENT IS MOUNTED Jul 01, 13 Jun 25, 15 [G02B]
2015/0178,984 SCREEN DISPLAY DEVICE, SYSTEM, AND SCREEN GENERATION METHOD Jul 19, 13 Jun 25, 15 [H04L, G06T]
2015/0171,965 OPTICAL LINE TERMINAL AND FRAME TRANSFER METHOD Jun 04, 13 Jun 18, 15 [H04B]
2015/0172,012 WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD Jul 19, 13 Jun 18, 15 [H04J, H04L, H04W]
2015/0172,049 SECRET SHARING SYSTEM, DATA DISTRIBUTION APPARATUS, DISTRIBUTED DATA TRANSFORM APPARATUS, SECRET SHARING METHOD AND PROGRAM Jul 04, 13 Jun 18, 15 [H04L]
2015/0172,694 MOVING PICTURE ENCODING METHOD, MOVING PICTURE DECODING METHOD, MOVING PICTURE ENCODING APPARATUS, MOVING PICTURE DECODING APPARATUS, MOVING PICTURE ENCODING PROGRAM, MOVING PICTURE DECODING PROGRAM, AND RECORDING MEDIA Jul 09, 13 Jun 18, 15 [H04N]
2015/0172,715 PICTURE ENCODING METHOD, PICTURE DECODING METHOD, PICTURE ENCODING APPARATUS, PICTURE DECODING APPARATUS, PICTURE ENCODING PROGRAM, PICTURE DECODING PROGRAM, AND RECORDING MEDIA Jul 09, 13 Jun 18, 15 [H04N]
2015/0146,740 PACKET TRANSFER PROCESSING METHOD AND PACKET TRANSFER PROCESSING DEVICE May 31, 13 May 28, 15 [H04L]
2015/0149,900 TERMINAL DEVICE, ANNOTATION METHOD, COMPUTER SYSTEM, AND COMPUTER PROGRAM Jun 17, 13 May 28, 15 [G06F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,060,691 Constituent concentration measuring apparatus and constituent concentration measuring apparatus controlling method Nov 05, 12 Jun 23, 15 [A61B, G01N]
9,064,123 Secure product-sum combination system, computing apparatus, secure product-sum combination method and program therefor Mar 08, 12 Jun 23, 15 [H04L, G06F]
9,065,243 Optical amplifier Jan 20, 12 Jun 23, 15 [H01S, G02F]
9,065,612 Wireless transmission method, wireless transmission system, and transmission apparatus and reception apparatus of wireless transmission system Mar 31, 10 Jun 23, 15 [H04K, H04L]
9,066,096 Video encoding method and decoding method, apparatuses therefor, programs therefor, and storage media which store the programs Dec 26, 07 Jun 23, 15 [H04N]
9,054,894 Signal block sequence processing method and signal block sequence processing apparatus Jul 04, 08 Jun 09, 15 [H04J, H04L]
9,055,303 Video encoding method and decoding method, apparatuses therefor, programs therefor, and storage media for recording the programs Oct 05, 07 Jun 09, 15 [H04N]
9,036,933 Image encoding method and apparatus, image decoding method and apparatus, and programs therefor Sep 20, 11 May 19, 15 [H04N, G06K]
9,036,958 Optical component Mar 09, 11 May 19, 15 [G02B]
9,036,965 Microlens array and optical transmission component Nov 01, 12 May 19, 15 [G02B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0058,584 IMAGE ENCODING AND DECODING FOR MULTI-VIEWPOINT IMAGES ABAN Sep 12, 12 Mar 07, 13 [G06K]
2012/0172,735 BLOOD PRESSURE MEASURING APPARATUS AND BLOOD PRESSURE MEASURING METHOD ABAN Mar 16, 12 Jul 05, 12 [A61B]
2012/0123,788 CODING METHOD, DECODING METHOD, AND DEVICE AND PROGRAM USING THE METHODS ABAN Jun 22, 10 May 17, 12 [H04B, G10L]
2011/0304,897 Optical Semiconductor Module and Method for Assembling the Same ABAN 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 ABAN 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 Withdrawn Apr 02, 09 Aug 30, 11 [H04B]
2011/0170,832 OPTICAL TRANSCEIVER MODULE AND METHOD OF MANUFACTURING THE OPTICAL TRANSCEIVER MODULE ABAN Jan 04, 11 Jul 14, 11 [B23P, G02B]
2011/0141,458 Coated Optical Fiber Identifying Apparatus and Coated Optical Fiber Identifying Method ABAN Jun 30, 09 Jun 16, 11 [G01N]
2011/0132,786 PACKING CONFIGURATION OF CABLE ABAN Aug 06, 09 Jun 09, 11 [B65D]
2011/0128,848 CAPACITY VARIABLE LINK APPARATUS AND CAPACITY VARIABLE LINK SETTING METHOD ABAN Feb 08, 11 Jun 02, 11 [H04L]
2011/0116,745 OPTICAL CONNECTOR, AND ASSEMBLING METHOD OF OPTICAL CONNECTOR ABAN Jan 24, 11 May 19, 11 [G02B]
2011/0108,579 PUMP RETENTION COLLAR AND METHODS FOR USING THE SAME ABAN May 19, 09 May 12, 11 [G01F, B65D]
7,941,361 System and method for quantitative competition and recording medium having recorded thereon program for implementing the method Expired Jun 22, 09 May 10, 11 [G06Q]
7,912,087 Capacity variable link apparatus and capacity variable link setting method Expired Jan 21, 03 Mar 22, 11 [G01R, H04J]
7,907,895 Electric field sensor device, transceiver, positional information obtaining system and information input system Expired Jun 29, 04 Mar 15, 11 [H04B]
7,894,700 Holding member for optical distribution frame and optical distribution frame Expired Jul 09, 09 Feb 22, 11 [G02B]
2011/0026,585 VIDEO QUALITY OBJECTIVE ASSESSMENT METHOD, VIDEO QUALITY OBJECTIVE ASSESSMENT APPARATUS, AND PROGRAM ABAN Mar 23, 09 Feb 03, 11 [H04N]
2011/0013,694 VIDEO QUALITY OBJECTIVE ASSESSMENT METHOD, VIDEO QUALITY OBJECTIVE ASSESSMENT APPARATUS, AND PROGRAM ABAN Mar 23, 09 Jan 20, 11 [H04N, G06K]
7,859,666 Electric field sensor Expired Jul 28, 04 Dec 28, 10 [G01R]
2010/0285,612 FLOW RATE MEASUREMENT APPARATUS, ANTIGEN CONCENTRATION MEASUREMENT APPARATUS, FLOW CELL, FLOW RATE MEASUREMENT METHOD, AND ANTIGEN CONCENTRATION MEASURING METHOD ABAN Jan 15, 09 Nov 11, 10 [G01N]

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