Kato was born in Tokyo Metropolis on May 27, 1978. She played for Nippon TV Beleza from 1993 to 2008. The club won Nadeshiko League championship 8 times. She played 246 matches in Nadeshiko League. She was selected MVP awards 2 times in 2001 and 2002. She was also selected Best Eleven for 12 years in a row (1996-2007).