Nippon Telegraph and Telephone Corporation

Japon

 
Quantité totale PI 16 861
Quantité totale incluant filiales 17 459 (+ 801 pour les filiales)
Rang # Quantité totale PI 51
Note d'activité PI 4,7/5.0    18 501
Rang # Activité PI 20
Activité incl filiales 4,6/5.0    18 908
Symbole boursier
ISIN JP3735400008
Capitalisation 12061302144480.0  (JPY)
Industrie Telecom Services
Secteur Communication Services

Brevets

Marques

6 068 0
152 0
10 641 0
0
 
Dernier brevet 2025 - Control apparatus, radio communi...
Premier brevet 1976 - Reproducer for an eraseable vide...

Filiales

26 subsidiaries with IP (733 patents, 68 trademarks)

28 subsidiaries without IP

 S'inscrire grtuitement pour accéder à la liste des filiales

Derniers inventions, produits et services

2023 Invention Communication control device, communication system, and communication control method. In the pres...
Invention Information processing device. An information processing device (S) includes: a first training un...
Invention Information processing device. An information processing device (S) is provided with: a first lea...
Invention Dialog device, dialog method, and dialog program. A dialog device (10) according to the present e...
Invention Resource control device, resource control method, and resource control program. A computer system...
Invention Distributed computing system. This distributed computing system is provided with nodes (1-1 to 1-...
Invention Distributed computing system. This distributed computing system comprises: nodes (1-1 to 1-8); co...
Invention Image processing device, image processing method, and image processing program. This image proces...
Invention Detection device. This detection device (10) comprises a local area determination unit (13) that ...
Invention Communication system, processing method, and processing device. A processing device 1 comprises: ...
Invention Estimation device. An estimation device (10) according to the present disclosure comprises: a rec...
Invention Environment adaptive device for resource equipment and network system. An IoT environment adaptiv...
Invention Coupling matrix transformation device, coupling matrix transformation method, and program. a,1a,2...
Invention Wireless reception device. The objective of the present disclosure is to improve communication qu...
Invention Silicon photonics optical circuit chip with glass plate and method for manufacturing same. The pr...
2022 Invention Learning apparatus, conversion apparatus, learning method and program. An aspect of the present ...
Invention Program execution system, data processing apparatus, program execution method, and program. A pr...
Invention Terminal, communication method, and radio communication system. A terminal includes a receiver t...
Invention Management system, management method, and management program. A management system manages a migr...
Invention Control apparatus, radio communication system, and control method. A control apparatus for contr...
Invention Voice quality information collecting device, voice quality information collecting method, voice q...
Invention Image processing device, image processing method, and program. An image processing device (10) a...
Invention Estimation apparatus, learning apparatus, estimation method, learning method, and program. An es...
2021 Invention Estimation apparatus, estimation method, and program. An estimation apparatus according to an em...
Invention Optical device. The optical device includes a semiconductor layer formed on a cladding layer and...
Invention Log output device, log output method, and log output program. A log output device includes proce...
Invention Corrosion estimation method and device. A particle size of soil is measured, a color measurement...
Invention Quantum computer verification apparatus and method. A quantum computer verification apparatus in...
Invention Online dispensing system, information linkage server, online dispensing method, and program. An ...
Invention Optical connector connection structure. A first magnetic structure integrated with a first ferru...
Invention Judgement device, judgement method, and judgement program. A determination apparatus uses an ide...
Invention Image presentation device, image presentation method, and program. An image presentation device ...
Invention Strategy planning support apparatus, strategy planning support method, and program. An object of...
Invention Network controller, estimation method and computer program. A network controller included in an ...
Invention Semiconductor module inspection device. A semiconductor module inspection device of the present ...
Invention Optical receiving apparatus, optical transmission apparatus, optical transmission system, feedbac...
Invention Usb transmission system, device, program and method. An object of the present disclosure is to e...
Invention Optical switch and optical switch system. An object of the present disclosure is to provide an o...
Invention Sound signal downmix method, sound signal coding method, sound signal downmix apparatus, sound si...
Invention Optical transmitting apparatus, and control method. According to one aspect of the present inven...
Invention Wireless communication system, wireless communication method, network controller, and network con...
Invention Video transmission apparatus, video reception apparatus, video transmission method, video recepti...
Invention Optical fiber switching node device. The present disclosure is an optical line switching node de...
Invention Device, method and program for combining video signals. An object of the present disclosure is t...
Invention Communication apparatus and communication control method. A communication device includes a comm...
Invention Control methods, communication devices and programs. One aspect of the present invention is a co...
Invention Secret calculation system, apparatus, method and program. A secure computation device 1n of a se...
Invention Human relationship proposing system, method, and program. A connection providing system for prov...
Invention Signal processing device, vibration detection system, and signal processing method. The present ...
Invention Path search apparatus, path search method, and program. A route search device includes a memory ...