When IWE closed its doors in 1981, Inoue, Hara, Tsurumi, and Fuyuki joined All Japan Pro Wrestling, while Kimura, Hamaguchi and Teranishi joined New Japan Pro Wrestling as a stable that formed the first "invasion" angle in history, later copied by the Japanese UWF, Japan Pro-Wrestling, and the nWo in WCW in America. The promotion is also credited for making Rusher Kimura a major star in Japanese Puroresu and holding Japan's first steel cage match. Isao Yoshihara eventually became a booker in New Japan, until his death in 1985.