TOKYO OHKA KOGYO CO revenue for the last year amounted to 162.27 B JPY, the most of which — 162.27 B JPY — came from its highest performing source at the moment, Materials, the year earlier bringing 170.33 B JPY. The greatest contribution to the revenue figure was made by Taiwan — last year it brought TOKYO OHKA KOGYO CO 57.11 B JPY, and the year before that — 67.87 B JPY.