He became a regular player from 1997 and played many matches as defensive midfielder for the club for a long time.
However the club gained new member Hajime Moriyasu and Silvinho in 2002 and Toshiya Ishii in 2003.
So, Chiba's opportunity to play decreased behind new member from 2002 and the club was relegated to J2 from 2004.
In 2009, the club won the champions and was promoted to J1 from 2010 for the first time in 7 years.
This biographical article related to a Japanese association football midfielder born in the 1970s is a stub.