NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Patent Owner

Follow Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 291 36
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 175 108
 
 
H04B TRANSMISSION 160 72
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 131 107
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 123 285
 
 
H04J MULTIPLEX COMMUNICATION 114 47
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 87 239
 
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 59 40
 
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 52 133
 
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 49 67
  • No Technologies to Display

Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0119,909 WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD May 23, 14 Apr 28, 16 [H04L, H04W, H04B]
2016/0088,007 INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD Mar 27, 14 Mar 24, 16 [H04L, G06F]
2016/0080,580 KEY TELEPHONE SYSTEM, CONTROL METHOD, TERMINAL, AND PROGRAM Apr 30, 14 Mar 17, 16 [H04M]
2016/0070,079 OPTICAL FIBER RIBBON AND OPTICAL FIBER CABLE Apr 28, 14 Mar 10, 16 [G02B]
2016/0073,125 VIDEO ENCODING APPARATUS AND METHOD, VIDEO DECODING APPARATUS AND METHOD, AND PROGRAMS THEREFOR Apr 11, 14 Mar 10, 16 [H04N]
2016/0065,326 OPTICAL TRANSMISSION/RECEPTION SYSTEM, TRANSMITTER, RECEIVER, AND OPTICAL TRANSMISSION/RECEPTION METHOD Mar 14, 14 Mar 03, 16 [H04J, H04B]
2016/0065,990 IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE ENCODING PROGRAM, IMAGE DECODING PROGRAM, AND RECORDING MEDIA Apr 04, 14 Mar 03, 16 [H04N]
2016/0056,886 MULTI-LANE TRANSMISSION DEVICE AND MULTI-LANE TRANSMISSION METHOD Feb 21, 13 Feb 25, 16 [H04J, H04L, H04Q, H04B]
2016/0057,433 BLOCK SIZE DETERMINATION METHOD, VIDEO ENCODING APPARATUS, AND PROGRAM Mar 18, 14 Feb 25, 16 [H04N]
2016/0037,172 IMAGE ENCODING METHOD, IMAGE DECODING METHOD, IMAGE ENCODING APPARATUS, IMAGE DECODING APPARATUS, IMAGE ENCODING PROGRAM, AND IMAGE DECODING PROGRAM Apr 07, 14 Feb 04, 16 [H04N]

View all publication…

  • No Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,323,000 Waveguide-type polarization beam splitter Jan 25, 12 Apr 26, 16 [G02B]
9,323,002 Light multiplexer Jul 31, 09 Apr 26, 16 [G02B]
9,325,745 Providing services by managing communication relationships Oct 16, 09 Apr 26, 16 [H04L, G06Q, G06F]
9,326,049 Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node Jul 18, 12 Apr 26, 16 [G02B, H04L, H04J, H04Q, H04B]
9,319,645 Encoding method, decoding method, encoding device, decoding device, and recording medium for a plurality of samples Jul 04, 11 Apr 19, 16 [H04N, H03M, G10L]
9,313,007 Wireless apparatus and training signal transmission method Jan 23, 13 Apr 12, 16 [H04L, H04J, H04W, H04B]
9,306,670 Optical coupling/splitting device, two-way optical propagation device, and optical-transmit-receive system Sep 27, 12 Apr 05, 16 [G02B, H04J, H04B]
9,307,301 Optical switch Sep 14, 12 Apr 05, 16 [G02B, H04Q]
9,297,961 Optical module Apr 24, 13 Mar 29, 16 [G02B, G02F]
9,297,977 Lens optical component with lens housing supported by lens holder Jul 01, 13 Mar 29, 16 [H01S, G02B, B23K, H01L]

View all Patent…

  • No Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9,247,324 Wavelength selection switch system and method for controlling wavelength selection switch Withdrawn Feb 05, 13 Jan 26, 16 [G02B, H04J, H04Q]
2014/0010,229 DATA COMMUNICATION SYSTEM, DATA COMMUNICATION TERMINAL, DATA COMMUNICATIN METHOD, AND COMPUTER PROGRAM ABAN Dec 27, 11 Jan 09, 14 [H04L]
2013/0218,764 ELECTRONIC SETTLEMENT METHOD, SYSTEM, SERVER, AND PROGRAM THEREOF ABAN Mar 18, 13 Aug 22, 13 [G06Q]
2013/0058,584 IMAGE ENCODING AND DECODING FOR MULTI-VIEWPOINT IMAGES ABAN Sep 12, 12 Mar 07, 13 [G06K]
2012/0288,242 OPTICAL MODULE ABAN May 09, 12 Nov 15, 12 [G02B]
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]
8,134,920 Device and method for correcting a path trouble in a communication network Expired Feb 20, 04 Mar 13, 12 [G01R, H04L]
2012/0053,949 ENCODING DEVICE, DECODING DEVICE, ENCODING METHOD, DECODING METHOD AND PROGRAM THEREFOR ABAN May 28, 10 Mar 01, 12 [G10L]
8,126,712 Information communication terminal, information communication system, information communication method, and storage medium for storing an information communication program thereof for recognizing speech information Expired Feb 08, 06 Feb 28, 12 [G10L]
8,120,930 Rush current reduction circuit and electric appliance Expired Oct 19, 06 Feb 21, 12 [H02M]
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]
8,037,478 Object state transfer method, object state transfer device, object state transfer program, and recording medium for the program Expired Apr 21, 08 Oct 11, 11 [G06F]
8,014,645 Dispersion shifted optical fiber Expired May 16, 03 Sep 06, 11 [G02B]
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]
7,977,036 Resist pattern forming method Expired Jan 27, 06 Jul 12, 11 [G03F]
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]

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