Sonobe was born in Ibaraki Prefecture on March 29, 1958.
After graduating from high school, he joined Fujita Industries in 1976.
He played 173 games and scored 2 goals in the league.
On May 23, 1978, Sonobe debuted for Japan national team against Thailand.
This biographical article related to a Japanese association football defender born in the 1950s is a stub.