Nippon Telegraph and Telephone Corporation

Japan

 
Total IP 14,504
Total IP incl. subs 15,076 (+ 777 for subs)
Total IP Rank # 53
IP Activity Score 4.7/5.0    17,553
IP Activity Rank # 22
IP AS incl. subs 4.6/5.0    17,957
Stock Symbol
ISIN JP3735400008
Market Cap. 12061302144480.0  (JPY)
Industry Telecom Services
Sector Communication Services

Patents

Trademarks

5,183 0
167 0
9,154 0
0
 
Last Patent 2024 - Learning apparatus, learning met...
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

2023 Invention Receiving apparatus. A receiving apparatus includes: M receivers configured to receive signals b...
2022 Invention Apparatus and method for adding substance produced by cultured organism. In one embodiment of the...
Invention Customer count prediction device, training device, customer count prediction method, training met...
Invention Reception directivity control device and reception directivity control method. The present invent...
Invention Sensor data collection system, method, and program. A communication control unit (130) of a senso...
Invention Spelling inconsistency pointing-out device, spelling inconsistency pointing-out method, and progr...
Invention Learning method, learning device, and program. A learning method according to an aspect of the pr...
Invention Base station, wireless communication system, communication control method, and program. The prese...
Invention Base station, wireless communication system, communication control method, and program. A base st...
Invention Dialogue structure comparison device, dialogue structure comparison method, and program. A dialog...
Invention Training data generation device, training data generation method, and training data generation pr...
Invention Measurement circuit for optical circuit, and measurement method for optical circuit. The present ...
Invention Identification method of 2-level defect. According to the present invention, in first step S101, ...
Invention Semiconductor device and connection structure. A semiconductor device (10) according to the prese...
Invention Semiconductor photoelectrode. This semiconductor photoelectrode comprises a first semiconductor t...
Invention Biological signal measurement system. A sensor device (1a) comprises: a transmission unit (105a) ...
Invention Heterojunction bipolar transistor. A base contact layer (106) constituted by p-type GaN is formed...
Invention Personality estimation device, method, and program. In an embodiment of the present invention, fi...
Invention Unmanned aerial vehicle with faraday cage. In an unmanned aerial vehicle 1 with a Faraday cage, t...
Invention Device and method for producing optical fiber. The device for producing an optical fiber 10 inclu...
Invention Inspection system, inspection method, and inspection program. An inspection system (10) includes ...
2021 Invention Secret calculation system, apparatus, method and program. A secure computation device 1n of the ...
Invention Base station system, base station control device, base station control method, and base station c...
Invention Wavelength conversion device and manufacturing method of wavelength conversion device. Stress ap...
Invention Porous electrode-supported electrolyte membrane and method for manufacturing same. A porous elec...
Invention Calculation resource control device and control method. A calculation resource control device in...
Invention Transmission apparatus, path setting method and computer program. A transmission device, which i...
Invention Determination device, determination method, and determination program. A determination device in...
Invention Light touch keeping apparatus, light touch keeping method and program. A light touch maintaining...
Invention Cipher system, encryption apparatus, decryption apparatus, method, and program. A cipher system ...
Invention Communication control system, communication control method and program. A communication control ...
Invention Mode field diameter measuring method and mode field diameter measuring device. The present inven...
Invention Optical communication system, optical transmitting and receiving apparatus, and optical communica...
Invention Matching device, matching method, and matching program. A matching device includes processing ci...
Invention Optical access system and monitoring method. An optical access system that performs communicatio...
Invention Light sensitive element. In a light receiving element, a first semiconductor layer that is forme...
Invention Learning apparatus, learning method and learning program. According to an embodiment, a learning...
Invention Business process classification apparatus, business process classification method and program. A...
Invention Information processing apparatus, information processing method, and program. An information pro...
Invention Beam transmission device and beam transmission method. A beam transmission device transmits a di...
Invention Cancellation apparatus. A cancellation device according to one aspect of the invention is a canc...
Invention Communication system, retransmission control method, receiving side device, and sending side devi...
Invention Communication system, switching apparatus, switching method, and program. A communication system...
Invention Reverse geocoding apparatus, reverse geocoding method, and program. A reverse geocoding device i...
Invention Frequency offset estimation apparatus, receiving apparatus, frequency offset estimation method an...
Invention Activity trace extraction device, activity trace extraction method, and activity trace extraction...
Invention Ultraviolet light irradiation system and ultraviolet light irradiation method. An object of the ...
Invention Lightning strike induction system and method. A lightning induction system includes a plurality ...
Invention Guard time calculation apparatus, guard time calculation method and program. A guard time calcul...