Nippon Telegraph and Telephone Corporation

Japon

Commandez votre montre hebdomadaire Nippon Telegraph and Telephone Corporation
Quantité totale PI 17 381
Quantité totale incluant filiales 17 988 (+ 806 pour les filiales)
Rang # Quantité totale PI 50
Note d'activité PI 4,7/5.0    17 499
Rang # Activité PI 24
Activité incl filiales 4,6/5.0    17 893
Symbole boursier
ISIN JP3735400008
Capitalisation 12061302144480.0  (JPY)
Industrie Telecom Services
Secteur Communication Services

Brevets

Marques

6 307 0
162 0
10 912 0
0
 
Dernier brevet 2025 - Shaking force optimization syste...
Premier brevet 1976 - Reproducer for an eraseable vide...

Filiales

26 subsidiaries with IP (740 patents, 66 trademarks)

28 subsidiaries without IP

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Derniers inventions, produits et services

2025 Invention Data processing system, data processing method and storage medium. A data processing system incl...
Invention Communication control system, gateway, and communication control method. A communication control...
Invention Sound system. A sound system includes: a control system that generates a control signal for eras...
Invention Image-capture element and image capture device. Provided is a highly-sensitive image-capture ele...
Invention Data transfer controller and information processing device. A data transfer controller for contr...
Invention Data transfer controller and information processing apparatus. A data transfer controller includ...
2023 Invention Bit-rate selection apparatus, bit-rate selection method and program. A bit rate selection device...
2022 Invention Communication system, integrated controller, control apparatus and switching method. A communica...
Invention Communication apparatus, optical power supply system and optical power supply method. A communic...
Invention Optical transmitter-receiver module and inspection system. An optical transmission/reception mod...
Invention Distributing device, distributing system, distributing method and program. A distribution device...
Invention Switch. A switch is a switch configured to relay data transmitted and received between virtual p...
Invention Information processing apparatus, information processing method, and program. An information pro...
Invention Field-effect transistor. A field effect transistor of an exemplary embodiment of the present inv...
Invention Optical device. Provided is an optical device having a long lifetime and high reliability. An op...
Invention Method and equipment for connecting optical fibers. An object of the present disclosure is to sh...
Invention Label histogram creating device, label histogram creating method and label histogram creating pro...
Invention Decoding circuit, decoding method and computer program. Provided is a decoding circuit used for ...
Invention Shaking force optimization system, shaking force optimization method, and arithmetic device. A e...
Invention Adhesion amount measurement system. An adhesion liquid amount measurement system includes: a mea...
Invention Transmitting apparatus and signal generation method. A transmitting apparatus includes a direct ...
Invention Control device and control method. A control device 20 includes a processing unit 21 configured ...
Invention Key exchange system, hub apparatus, qkd apparatus, method, and program. A key exchange system ac...
Invention Key exchange system, qkd apparatus, hub apparatus, method, and program. A key exchange system in...
Invention Wireless communication method and wireless communication system. A wireless communication method...
Invention Optical transmission device, optical communication system and optical transmission method. Provi...
Invention Calculation result distribution device, calculation result protection system, and calculation res...
Invention Optical circuit. An inspection circuit that accurately reflects influence of a manufacturing err...
Invention Network facilities monitoring device, network facilities monitoring method and program. A networ...
Invention Systems and methods for detecting optical switch anomaly in optical node. An object of the prese...
Invention Optical power supply system and failure location detection method. An object of the present disc...
Invention Station-side optical network unit, communication system, and control method. An aspect of the pr...
Invention Determination apparatus, determination method, and program. A determination apparatus includes: ...
Invention Timing detection method, communication system and receiving apparatus. The transmission apparatu...
Invention Learning apparatus, method and program. A learning device includes: spectrogram generation circu...
Invention Server and remote quality measurement method. A server includes a collection unit configured to ...
Invention Learning apparatus, converting apparatus, methods and programs. A learning device includes: spec...
Invention Arithmetic processing offload system, arithmetic processing offload method and program. A server...
Invention Delivery planning apparatus, delivery planning method, and program. A delivery planning device i...
Invention Radio communication method, and radio communication system. In order to improve utilization effi...
Invention Learning apparatus, estimation apparatus, methods and programs for the same. Provided is a learn...
Invention Observation device and method. An observation apparatus 1 includes a floating structure 10 float...
Invention System for topological quantum operation and method thereof. A topological quantum operation sys...
Invention Shaker fixing device and shaker system. A fixing device (1) according to the present disclosure ...
Invention Radio communication system, radio communication method, and radio communication device. The pres...
Invention Power topology estimation apparatus, power topology estimation method and program. A power topol...
2021 Invention Test apparatus, test method and program. A test apparatus includes circuitry configured to acqui...
Invention Optical connector connection structure. Opposing connection end faces of optical fibers (1a and ...
Invention Transaction method, transaction system, and transaction program. A transaction method includes: ...
2020 Invention Processing system, processing method, and processing program. A processing system is performed b...