Nippon System Study focuses on various software development, SI business, various software development, network system construction, various computer communication equipment sales, outsourcing business, Internet Web server construction, homepage production. 2014/10/27 The Tokyo Metropolitan Area Division has moved to the 5th floor of the Sumitomo Real Estate Ikebukuro West Exit Building, Nishiikebukuro, Toshima-ku, Tokyo. 2012/09/14 The head office was moved to the 9th floor of Nishitetsu Gion Building, Gokushomachi, Hakata-ku, Fukuoka. Japan System Study Co., Ltd. 9F, Nishitetsu Gion Building, 1-1 Gokushomachi, Hakata-ku, Fukuoka 812-0037