J FRONTIER CO LTD revenue for the last year amounted to 16.84 B JPY, the most of which — 7.68 B JPY — came from its highest performing source at the moment, Medical Care, the year earlier bringing 4.99 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought J FRONTIER CO LTD 16.84 B JPY, and the year before that — 11.88 B JPY.