Nippon Telegraph and Telephone Corporation

Japan

 
Total IP 13,994
Total IP incl. subs 14,562 (+ 773 for subs)
Total IP Rank # 54
IP Activity Score 4.7/5.0    17,227
IP Activity Rank # 22
IP AS incl. subs 4.6/5.0    17,643
Stock Symbol
ISIN JP3735400008
Market Cap. 12061302144480.0  (JPY)
Industry Telecom Services
Sector Communication Services

Patents

Trademarks

4,979 0
172 0
8,843 0
0
 
Last Patent 2024 - Communication system, configurat...
First Patent 1976 - Reproducer for an eraseable vide...

Subsidiaries

28 subsidiaries with IP (698 patents, 75 trademarks)

26 subsidiaries without IP

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Latest Inventions, Goods, Services

2023 Invention Optical power supply method, optical power supply system, and optical power supply device. The pr...
Invention Respiration inducing device, method, and program. In one aspect of this invention, when respirati...
Invention Extraction system, extraction method, and extraction program. In an extraction device (10) of an ...
2022 Invention Slot-coupling type coupler. The slot-coupling type coupler (10) connects a high-frequency circuit...
Invention Image data generation device, image data generation method, and image data generation program. An...
Invention Exhalation-inducing device, method, and program. In an embodiment of the present invention, durin...
Invention Transmission system and transmission method. A transmission system comprising one or more first c...
Invention Alignment method for wavelength multiplexing/demultiplexing coupler using side-polished optical f...
Invention Optical power supply device and connection switching method. This optical power supply device com...
Invention Control system, control device, network device, control method, and program. One aspect of the pr...
Invention System and method for measuring blood vessel function. This system (A1, A2, A3) for measuring blo...
Invention Method for identifying position of electric pole from vibration distribution waveform. The purpos...
Invention Presentation device, presentation method, and presentation program. A presentation device (10) ha...
Invention Light measurement device and light measurement method. This light measurement device is provided ...
Invention Learning device, inference device, learning method, inference method, learning program, and infer...
Invention Routing information generation device, routing information generation method, and program. A rout...
Invention Optical power feeding method and optical power feeding system. This optical power feeding method ...
Invention Optical power feed method, optical power feed system, and optical power feed device. This optical...
Invention Presentation video adjustment apparatus, presentation video adjustment method, and presentation v...
Invention Optical power distribution estimation device, optical power distribution estimation method, and c...
Invention Routing information generating device, routing information generating method, and routing informa...
Invention Media playback control device, media playback control method, and media playback control program....
Invention Extraction system, extraction method, and extraction program. In an extraction device (10) of thi...
Invention Connecting circuit and communication interface. An embodiment is a connecting circuit connected ...
2021 Invention Communication system, configuration management apparatus, configuration management method, and pr...
Invention Estimation device, estimation method, and estimation program. An estimation device (10) includes...
Invention Communication system, communication method, server, client terminal, and program. A communicatio...
Invention Wireless communication method, wireless communication system, and wireless communication program....
Invention Wireless apparatus and wireless communication method. A wireless apparatus according to one aspe...
Invention Management device, management method, and management program. A common control unit (141A) acqui...
Invention Test code generator, test code generation method, and, test code generaration program. A test co...
Invention Resource control device, resource control system, and resource control method. A resource contro...
Invention Learning apparatus, anomaly detection apparatus, learning method, anomaly detection method, and p...
Invention Operation log generation device and operation log generation method. An acquisition unit detects...
Invention Transmission system, transmission method and transmission program. A transmission system include...
Invention U-bolt, construction method, and detection device. A U-bolt (10) according to the present disclo...
Invention U-bolt, construction method, and measuring device. A U-bolt (10) according to the present disclo...
Invention Setting device, setting method, and setting program. A filter setting device (20) includes a sha...
Invention Optical coupling part and optical switch. An objective of the present disclosure is to provide a...
Invention Construction system, construction method, and u-bolt. An installing system (100) according to th...
Invention Lithium secondary battery and manufacturing method for the same. A lithium secondary battery inc...
2020 Invention Transmitting station and receiving station. A transmitting station (TX) of an embodiment include...
Invention Image display method, image display device, and program. An image display method according to th...
Invention Substrate for carrying wafer. The present disclosure is to provide a wafer carrier substrate for...
Invention Reflector antenna and antenna aperture expansion method. A reflector antenna includes: a radiato...
Invention Processing method, processing system, and processing program. A processing method executed by a ...