After graduating from high school, he joined Yokohama Flügels with teammate Takayuki Yoshida in 1995.
However the club was disbanded end of 1998 season due to financial strain, he moved to Yokohama F. Marinos.
On 25 April 2001, Hato debuted for Japan national team against Spain.
However his opportunity to play decreased behind Daisuke Ichikawa in 2002 and he was not elected Japan for 2002 World Cup.
This biographical article related to a Japanese association football defender born in the 1970s is a stub.