Kono was born in
Yugawara,
Kanagawa on July 9, 1982. After graduating from
Shimizu Commercial High School, he joined
J1 League club
Sanfrecce Hiroshima in 2001. He played 2 matches as substitute defender in
2002 J.League Cup. However he could only play these 2 matches until June 2003. In June 2003, he moved to
J2 League club
Yokohama FC. He became a regular center back soon. Although his opportunity to play decreased from 2004, he played many matches. In 2006, he moved to
Mito HollyHock. He played as regular center back. In 2007, he moved to
Tokushima Vortis. Although he played as regular center back, he could not play at all in the match for injury from June. Although he played as substitute player last 2 matches in 2008 season, he retired end of 2008 season. ==Club statistics==