J FRONTIER CO LTD revenue for the last year amounted to 17.71 B JPY, the most of which — 6.84 B JPY — came from its highest performing source at the moment, Medical Care, the year earlier bringing 7.68 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought J FRONTIER CO LTD 17.71 B JPY, and the year before that — 16.84 B JPY.