Nippon Telegraph and Telephone Corporation

Japon

 
Quantité totale PI 14 158
Quantité totale incluant filiales 14 728 (+ 775 pour les filiales)
Rang # Quantité totale PI 53
Note d'activité PI 4,7/5.0    17 352
Rang # Activité PI 22
Activité incl filiales 4,6/5.0    17 766
Symbole boursier
ISIN JP3735400008
Capitalisation 12061302144480.0  (JPY)
Industrie Telecom Services
Secteur Communication Services

Brevets

Marques

5 062 0
172 0
8 924 0
0
 
Dernier brevet 2024 - Latency control apparatus, laten...
Premier brevet 1976 - Reproducer for an eraseable vide...

Filiales

28 subsidiaries with IP (700 patents, 75 trademarks)

26 subsidiaries without IP

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Derniers inventions, produits et services

2022 Invention Offload server, offload control method, and offload program. An offload server (1) comprises: a r...
Invention Transmission device and transmission method. In order to perform PtMP transmission using OAM mult...
Invention Method for evaluating hydrogen evolution reaction. In Step S101, a steel material to be evaluated...
Invention Planning device, planning method, and program. This planning device comprises: a solution calcula...
Invention Waveguide-type optical switch circuit. The present invention realizes: having a single thin-film ...
Invention Correction device, correction method, and program. The present disclosure relates to technology f...
Invention Optical monitor device and light intensity measurement method. A optical monitor device (10) comp...
Invention Flow aggregation device, method, and program. An extraction unit (21) extracts, from a plurality ...
Invention Traffic flow analysis preprocessing device, method, and program. An extraction unit (22) extracts...
Invention Risk calculation device, risk calculation method, and risk calculation program. This risk calcula...
Invention Analysis function addition device, analysis function addition method, and analysis function addit...
Invention Vulnerability detection device, vulnerability detection method, and vulnerability detection progr...
Invention Person identification device, method, and program. According to one embodiment of the present inv...
Invention Vulnerability discovery device, vulnerability discovery method, and vulnerability discovery progr...
Invention Evaluation device, evaluation method, and evaluation program. This evaluation device calculates a...
Invention Detection device, detection method, and detection program. This detection device (10) trains a ma...
2021 Invention Classification device, classification method, and classification program. A classification devic...
Invention Carbon dioxide gas-phase reduction device and carbon dioxide gas-phase reduction method. A gas p...
Invention Key exchange system, terminal, server, key exchange method, and program. A key exchange system a...
Invention Social value evaluation apparatus, social value evaluation method and program. Provided is a soc...
Invention Multi-center non-reflective termination and optical line test method. An object of the present i...
Invention Semiconductor optical integrated device. To detect deterioration of an SOA and perform feedback ...
Invention Optical device. An optical device includes a photonic crystal main unit, an optical waveguide, a...
Invention Information processing apparatus, communication apparatus, information processing method and prog...
Invention Interference control system, interference control method, link-up device and program for interfer...
Invention Display control device, display control method, and display control program. A display control d...
Invention Communication methods, transmitters / receivers, repeaters, communication systems and programs. ...
Invention Radio communication system, base station apparatus, nw control apparatus and connection control m...
Invention Estimation device, estimation method and estimation program. An estimation device collects senso...
Invention Acoustic signal enhancement apparatus, method and program. An acoustic signal enhancement device...
Invention Sound system. Provided is an acoustic system for a user who uses a seat of an aircraft, an autom...
Invention Information acquisition apparatus, information acquisition method, and information acquisition pr...
Invention Sound system. There is provided an acoustic system for a user who uses a seat of an airplane, an...
Invention Capacitor. A capacitor includes a pair of facing stacked electrodes connected to an electrical w...
Invention Learning apparatus, estimation apparatus, methods and programs for the same. The present inventi...
Invention Delay measurement device, delay measurement method, and program. A delay measurement device incl...
Invention Analysis device, analysis system, analysis method, and analysis program. An analysis device incl...
Invention Conversion device, conversion method, and conversion program. A conversion device analyzes infor...
Invention Information processing device, information processing method and information processing program. ...
Invention Communication device, communication failure management method, failure management program, and co...
Invention Conversion device, conversion method, and conversion program. A conversion device (10) analyzes ...
Invention Latency control apparatus, latency control method and latency control program. An orchestrator l...
Invention Resource allocation device, resource allocation method, and resource allocation program. A resou...
Invention Server delay control device, server delay control method, and program. Provided is a server dela...
Invention Setting changing apparatus, setting changing method and program. A setting changing apparatus in...
Invention Graphic display control apparatus, graphic display control method and program. A graphic display...
Invention Signal processing device, signal processing method, signal processing program, training device, t...
2020 Invention Sensor embedded terminal, disconnecting determination method and disconnecting determination prog...
2019 Invention Camera parameter estimation apparatus, camera parameter estimation method, and camera parameter e...