He also led the Braves to the Japanese championship.

In 1930 he was the runner-up for the Japanese championships, which he finally did win the next year.

Azuma began racing minibikes at an early age in the Japanese national championships.

He made new high school student record in Japanese national championships in April 2006.

Takahashi won the Japanese national championships in 2006 and 2007.

He won the Japanese national championship for junior high schools at the 3rd year.

She won the Japanese national championships in 2007 and 2008 after winning two silver medals in a row.

However, he did win the Japanese national championship in 2008.

Beginning in 2007, the winner of the Japanese championship has earned an automatic berth in the Series.

Joining Team Nippo in 2010, he won the Japanese national championship that year.