Nippon Telegraph and Telephone Corporation

Japan

 
Total IP 14,557
Total IP incl. subs 15,129 (+ 777 for subs)
Total IP Rank # 53
IP Activity Score 4.7/5.0    17,582
IP Activity Rank # 22
IP AS incl. subs 4.6/5.0    17,982
Stock Symbol
ISIN JP3735400008
Market Cap. 12061302144480.0  (JPY)
Industry Telecom Services
Sector Communication Services

Patents

Trademarks

5,198 0
166 0
9,193 0
0
 
Last Patent 2024 - Display data generation device, ...
First Patent 1976 - Reproducer for an eraseable vide...

Subsidiaries

28 subsidiaries with IP (703 patents, 74 trademarks)

26 subsidiaries without IP

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Latest Inventions, Goods, Services

2024 Invention Wireless communication system and wireless communication method. A format that includes a BSSID ...
Invention Book search apparatus, book search database generation apparatus, book search method, book search...
2022 Invention Power-saving function control device, calculation system, power-saving function control method, a...
Invention Hash value calculation device, hash value calculation method, and program. In the present inventi...
Invention Communication system, control device, and communication method. First branch parts for M terminal...
Invention Data collection system. The purpose of the present disclosure is to enable on-the-spot visual obs...
Invention Data collection system. The purpose of the present invention is to make it possible to automatica...
Invention Data collection system. The purpose of the present disclosure is to make it possible to perform s...
Invention Data collection system. The purpose of the present disclosure is to make it possible to collect d...
Invention Semiconductor device. A semiconductor device (10) according to the present invention is a field e...
Invention Management node, communication terminal, and data collection method. The purpose of the present i...
Invention Data collection system. The purpose of the present disclosure is to make it possible for a plural...
Invention Data collection system. The purpose of the present invention is to enable a terminal to automatic...
Invention Acoustic quality evaluation device, acoustic quality evaluation method, and program. The present ...
Invention Wireless communication device, communication system, wireless communication method, and program. ...
Invention Wireless communication device, wireless communication method, and program. A wireless communicati...
Invention Optical communication device, subscriber device, and allocation method. An optical communication ...
Invention Information processing device, method, and program. An information processing device according to...
Invention Freezing countermeasure design device, method, and program. A freezing countermeasure design devi...
Invention Failure restoration expediting system, failure restoration expediting method, and failure restora...
Invention Inspection system, inspection device, inspection method and inspection program. In an inspection ...
Invention Information processing device, information processing method, and program. An information process...
Invention Information transfer system, transmission device, receiving device, information transfer method a...
Invention Optical fiber cable. An optical fiber cable (1) comprises: an optical fiber tape (3) in which thr...
Invention Type vector generation device, type vector generation method, and program. iiijjnm_gnm_gm_g) is a...
Invention Interview record input support device, interview record input support method, and program. The pr...
Invention Optical monitor device and light intensity measurement method. The purpose of the present disclos...
Invention Learning data generation device, vectorization device, learning data generation method and learni...
Invention Information processing device, information processing method, and information processing program....
Invention Information generation device, information generation method, and information generation program....
Invention Database management device, database management method, and database management program. An acqui...
Invention Training device, selection device, training method, selection method, and program. A training dev...
Invention Network management device, method, and program. A network management device according to one embo...
Invention Optical device and optical amplification device. An optical device according to one embodiment of...
2021 Invention Lithium secondary battery and manufacturing method for the same. A positive electrode capable of...
Invention Control device for computer device. The present disclosure is a control device for automating ta...
Invention Structure. A structure member includes a base formed of metal and a repair layer built in the ba...
Invention Display control device, display control method, and display control program. Page A display cont...
Invention Hetero-junction bipolar transistor and method of manufacturing the same. A hetero-junction bipol...
Invention Connection node apparatus, optical transmission system, and connection method. An output port sw...
Invention Information communication apparatus, information communication method and program. An informatio...
Invention Dc power distribution system, control apparatus, operation state determination method and program...
Invention Cable test system, analyzer, cable test method, and program. An object of the present invention ...
Invention Processing apparatus, processing method and program. A processing device includes: an acquisitio...
Invention Display data generation device, display data generation method, and display data generation progr...
Invention Control system, control apparatus, control method and program. A control system includes a plura...