Yonekura was born in Gunma Prefecture on 28 December 1970.
After graduating from high school, he joined NKK in 1989.
However the club was relegated to Division 2 in 1991 and he moved to Toyota Motors (later Nagoya Grampus Eight).
In 1998, he could hardly play in the match and retired end of 1998 season.
This biographical article related to a Japanese association football midfielder born in the 1970s is a stub.