Ichigaya Station
Lines. The ground-level section of the station is managed by the East Japan Railway Company (JR East), and the underground sections are managed by Tokyo Metro and Tokyo Metropolitan Bureau of Transportation (Toei Subway). The station is served by the JR Chūō-Sōbu Line, Tokyo Metro Yūrakuchō Line, Tokyo Metro Namboku Line, and Toei Shinjuku Line. Chūō Line (Rapid) services pass the station. Ichigaya Station is numbered Y-14 on the Yurakucho Line, N-09 on the Namboku Line, and S-04 on the Shinjuku Line. History. The original JNR (now JR East) station opened on 6 March 1895. The  Tokyo Metro Yurakucho Line station opened on 30 October 1974, and the Namboku Line station opened on 26 March 1996. Surrounding area. The headquarters of the Ministry of Defense of Japan and of the Japan Go Association are located in the vicinity of Ichigaya station. The headquarters of Creatures Inc. was also located.