NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Patent Owner

Follow Compare Create Portfolio

Stats

Details

Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 280 34
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 137 89
 
 
H04B TRANSMISSION 131 74
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 116 254
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 106 95
 
 
H04J MULTIPLEX COMMUNICATION 98 43
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 87 217
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 55 108
 
 
H01S DEVICES USING STIMULATED EMISSION 52 48
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 50 38
  • No Technologies to Display

Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0193,114 OPTICAL MODULE Jan 07, 14 Jul 10, 14 [G02B]
2014/0183,677 OPTICAL SEMICONDUCTOR DEVICE Mar 04, 14 Jul 03, 14 [H01L]
2014/0185,504 COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND CHILD STATION OF COMMUNICATION SYSTEM Jun 22, 12 Jul 03, 14 [H04W]
2014/0186,040 LIGHT MERGING/BRANCHING DEVICE, BIDIRECTIONAL LIGHT PROPAGATION DEVICE, AND LIGHT TRANSMISSION/RECEPTION SYSTEM Sep 27, 12 Jul 03, 14 [H04B]
2014/0178,068 SPACE SWITCH DEVICE Aug 02, 12 Jun 26, 14 [H04J, H04Q]
2014/0153,077 OPTICAL MODULATION DEVICE AND BIAS VOLTAGE CONTROL METHOD Aug 21, 12 Jun 05, 14 [G02F]
2014/0145,147 NITRIDE SEMICONDUCTOR STRUCTURE AND METHOD OF FABRICATING SAME Sep 05, 12 May 29, 14 [H01L]
2014/0146,887 PICTURE ENCODING METHOD, PICTURE DECODING METHOD, PICTURE ENCODING APPARATUS, PICTURE DECODING APPARATUS, PICTURE ENCODING PROGRAM, AND PICTURE DECODING PROGRAM Jul 31, 12 May 29, 14 [H04N]
2014/0140,668 MECHANICAL SPLICE UNIT, MECHANICAL SPLICING TOOL, AND OPTICAL FIBER SPLICING METHOD Jan 28, 14 May 22, 14 [G02B]
2014/0133,546 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, VIDEO ENCODING PROGRAM, AND VIDEO DECODING PROGRAM Jun 12, 12 May 15, 14 [H04N]

View all publication…

  • No Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,781,029 Frequency offset estimation apparatus, reception apparatus, frequency offset estimation method, and reception method Jun 17, 11 Jul 15, 14 [H04L, H03K]
8,773,749 Variable focusing lens and microscope Jun 11, 10 Jul 08, 14 [G02F]
8,774,089 Wireless terminal call method and wireless access system capable of greatly reducing standby power consumption of wireless terminals in a call standby state without increasing call delay time Mar 24, 09 Jul 08, 14 [H04W]
8,775,782 Network system, method of controlling access to storage device, administration server, storage device, log-in control method, network boot system, and method of accessing individual storage unit Dec 29, 10 Jul 08, 14 [H04L]
8,775,796 Certificate authenticating method, certificate issuing device, and authentication device Feb 07, 08 Jul 08, 14 [H04L]
8,764,313 Optical connector plug Nov 17, 10 Jul 01, 14 [G02B]
8,754,445 Semiconductor device Jan 20, 12 Jun 17, 14 [H01L]
8,737,779 Optical wavelength multi/demultiplexer Aug 25, 10 May 27, 14 [G02B]
8,729,602 Avalanche photodiode Sep 01, 11 May 20, 14 [H01L]
8,731,006 Signal separating circuit, signal separating method, signal multiplexing circuit and signal multiplexing method Jan 12, 11 May 20, 14 [H04J]

View all Patent…

  • No Patents to Display

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]
2011/0116,745 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]
2010/0169,425 Electronic Mail Delivery System And Electronic Mail Delivery Program Mar 29, 07 Jul 01, 10 [G06F]
2010/0143,681 FLEXIBLE SUBSTRATE Mar 27, 08 Jun 10, 10 [B32B]

View all Patent…

  • No Patents to Display

Top Inventors for This Owner

We are sorry but your current selection exceeds the maximum number of follows () for this membership level. Upgrade to our Level for up to follows!

Owner Follow
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
CANCEL
UPGRADE MEMBERSHIP CANCEL

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to comparisons!

UPGRADE MEMBERSHIP CANCEL

We are sorry but your current selection exceeds the maximum number of portfolios () for this membership level. Upgrade to our Level for up to portfolios!

UPGRADE MEMBERSHIP CANCEL

We are sorry but your current selection exceeds the maximum number of patents allowed in portfolios () for this membership level. Upgrade to our Level for up to patents!

UPGRADE MEMBERSHIP CANCEL