OTSUKA CORP. revenue for the last year amounted to 6.28 B EUR, the most of which — 4.05 B EUR — came from its highest performing source at the moment, System Integration, the year earlier bringing 3.86 B EUR. The greatest contribution to the revenue figure was made by Japan — last year it brought OTSUKA CORP. 6.28 B EUR, and the year before that — 6.13 B EUR.