Nippon Television Network Corporation, also known as Nippon TV, with the call sign JOAX-DTV, is a Japanese commercial broadcast television network. It is a subsidiary of the certified broadcasting holding company Nippon Television Holdings, Inc. and also the flagship station of the Nippon News Network and the Nippon Television Network System. Nippon TV's studios are located in the Shiodome area of Minato, Tokyo, Japan and its transmitters are located in the Tokyo Skytree. Broadcasting terrestrially across Japan. It is also the first commercial TV station in Japan, and it has been broadcasting on Channel 4 since its inception. Nippon Television is the home of the syndication networks NNN (for news programs) and NNS (for non-news programs). Except for Okinawa Prefecture, these two networks cover the whole of Japan. Nippon TV is one of the ''five private broadcasters based in Tokyo''. Nippon Television Holdings is listed subsidiary of The Yomiuri Shimbun Holdings, Japan's largest media conglomerate by revenue and the second largest behind Sony. It's 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. It is also the owner of Hulu Japan, formerly part of the US-based Hulu streaming service. Source: Wikipedia (en)