Nippon Telegraph and Telephone West Corporation

Japon

 
Quantité totale PI 25
Quantité totale incluant filiales 40 (+ 15 pour les filiales)
Rang # Quantité totale PI 58 702
Note d'activité PI 0,9/5.0    2
Rang # Activité PI 472 903
Activité incl filiales 1,5/5.0    9
Parent Nippon Telegraph and Telephone Corporation

Brevets

Marques

8 0
6 0
11 0
0
 
Dernier brevet 2020 - Telephone exchange system and te...
Premier brevet 2005 - Nurse call system, interface uni...

Filiales

1 subsidiaries with IP (0 patents, 15 trademarks)

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Derniers inventions, produits et services

2019 Invention Incoming call controlling device, incoming call controlling system, and incoming call controlling...
Invention Incoming call control device, incoming call control system, incoming call control method, and pro...
Invention Incoming call controlling device, incoming call controlling system, incoming call controlling met...
2017 Invention Telephone exchange system and telephone exchange apparatus and method, non-transitory computer re...
Invention Telephone switching system, telephone switching apparatus, method, and non-transitory computer re...
2016 Invention Telephone switching apparatus and method, and program. In a telephone switching apparatus equippe...
Invention Telephone switching apparatus, method, and computer readable medium. In a telephone switch...
Invention Telephone switching device and method, and program. In a telephone switching device having an aut...
2015 Invention Nurse call system, nurse call conversion unit, nurse call connection method, and program. In nurs...
2014 Invention Key telephone system, control method, terminal, and program. A key telephone system includes a te...
Invention Key telephone system, control method, terminal, and program. An objective of the present inventio...
Invention Key telephone system, control method, terminal, and program. An objective of the present in...
2013 Invention Telephone system and connection control method, and computer program. A recording of a voice mess...
2011 Invention Data communication system, data communication terminal, data communicatin method, and computer pr...
Invention Data communication system, data communication terminal, data communication method, and computer p...
2007 Invention Transport system and transport method. A transport scenario composed of a basic transport (From) ...
Invention Transfer system, and transfer method. In response to a transfer request, for which a loading time...
2006 Invention Spiral support. A spiral support exhibiting excellent workability in suspension wire laying work ...
Invention Conference telephone
2005 Invention Nurse call system, interface unit, and nurse call connection method. In nurse call systems where ...