October 1, 2012: Nippon Television Network Corporation (first) transitions to a certified broadcasting holding company, Nippon Television Holdings, Inc., and Nippon Television Network Preparatory Corporation is renamed Nippon Television Network Corporation (second).
2012. október 1: a Nippon Television Network Corporation (első) átmenete tanúsított műsorszóró holding céggé (Nippon Television Holdings, Inc.), a Nippon Television Network Preparatory Corporationt átnevezik Nippon Television Network Corporationre (második átmenet).