R&D COMPUTER CO LTD revenue for the last year amounted to 13.73 B JPY, the most of which — 7.57 B JPY — came from its highest performing source at the moment, System Integration Services, the year earlier bringing 6.35 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought R&D COMPUTER CO LTD 13.73 B JPY, and the year before that — 11.58 B JPY.