MSBR (Molten Salt Breeder Reactor) was a noise solo project from Tokyo, Japan, founded by Kōji Tano (田野幸治, 1961 – 2005).
Starting in 1992, Kōji Tano was one of the most respected artists to emerge from Japan's noise / experimental music scene of the 1990s. Much of his material was self-released on his own labels.
Collaborations have included such artists as The Haters, Bastard Noise, Daniel Menche, Richard Ramirez and Small Cruel Party. He also used the name Magmax.