[1] It was headed by a Japanese engineer Nishiyama Yatarō, who had convinced Kawasaki Heavy Industries to perform the breakup.
[4] In 1989, it entered into a limit partnership with United States steel company Armco.
The company was renamed AK Steel Holding in 1993 when it became publicly traded.
During the resulting credit crisis, NKK and Kawasaki Steel decided to merge their businesses in April 2001.
In 1975, some "old boy" players formed their own club in the same area, naming it River Free Kickers.