In the 2007 Hong Kong Sevens, Japan reached Bowl semi-finals (19th place), where they lost against France; previously they had beaten Asian rivals China and Chinese Taipei. In 2008, they lost all four matches versus South Africa, Argentina, Russia and Hong Kong.
Japan won in 2009 against China and Sri Lanka, after which they lost the Bowl semi-finals versus Portugal. In 2010 they beat Hong Kong but were defeated by Scotland in Bowl quarter-finals, so they ended 13th.
The team won in 2011 against China, Scotland and the United States, then were beaten by Canada in the Bowl final to end 9th.
In the 2012 World Series qualifier at Hong Kong, Japan were defeated by Portugal and Russia and won against Guyana in the group phase. The team won against Hong Kong in quarter-finals, but was defeated by Spain in semi-finals and Portugal in the third place match. so they failed to qualify for the World Series.
In the 2014 World Series qualifier at Hong Kong, Japan won the three group phase matches against Uruguay, Cook Islands and Trinidad and Tobago. Later they beat Tunisia, Russia and Italy to claim World Series core status for 2014/15.
Japan won the Plate final match (5th place) at the 2000 Japan Sevens, scoring 8 points for the 1999–2000 World Sevens Series. The team lost the Bowl final match to end 10th in the 2002 Australia Sevens and 2002 Singapore Sevens.
In the 2012 USA Sevens they reached Bowl semifinals (11th place). In the 2014 Japan Sevens they repeated that result.
As hosts of the 2015 Japan Sevens, they won over Samoa, tied Argentina and lost to France to advance to Cup quarter-finals. They were defeated by Fiji and then Scotland, therefore resulting 7th in the tournament.