His name comes from the Maeda clan of the Kaga Domain. His original owner was Maeda Toshiie's second son, Maeda Toshimasa. Toshimasa left the house for the Battle of Sekigahara, and it is said that his son brought the blade back to the Maeda clan later.
It is one of the Important Cultural Properties of Japan.
Maeda Toushirou shares a similar character design to Hirano Toushirou because they both served under the Maeda Clan. Maeda Toushirou was wielded by Maeda Toshimasa (前田利政) and Hirano was wielded by Maeda Toshinaga (前田利長), Toshimasa's elder brother.