Nippon TV
JOAX-DTV , branded as , is the flagship station of the Nippon Television Network System , owned-and-operated by the which is a subsidiary of the certified broadcasting holding company itself a listed subdisiary of The Yomiuri Shimbun Holdings , Japan's largest media conglomerate by revenue and the second largest behind Sony; Nippon Television Holdings forms part of Yomiuri's main television broadcasting arm alongside Kansai region flagship Yomiuri Telecasting Corporation , which owns a 6 . 4% share in the company . 
<triplet> Yomiuri Telecasting Corporation <subj> Nippon Television Network System <obj> affiliation