TOTO, Japan's globally renowned ceramic sanitary ware giant and the world's third-largest player in this sector, is currently undergoing a significant business metamorphosis. The financial results for fiscal year 2025 reveal that the operating profit generated by its advanced ceramics business has, for the first time, eclipsed that of its core residential sanitary ware equipment division. This segment now accounts for a substantial 55% of the group's total operating profit, emerging as the primary profit driver.

TOTO has been nurturing its semiconductor precision ceramics business since the 1980s. Its flagship product, the electrostatic chuck, serves as an indispensable component for firmly holding silicon wafers in place during wafer processing. This product boasts cutting-edge technology and an exceptionally high level of purity.

With the AI industry experiencing explosive growth, the demand for high-end chip manufacturing has skyrocketed. This, in turn, has fueled a substantial surge in the demand for semiconductor precision ceramic components. Remarkably, the operating profit margin of this business has soared from a modest 9% to over 40% within a mere five-year span.

Following the opening of the Japanese stock market, TOTO's stock price witnessed an upward trajectory, propelling its market capitalization beyond the 1 trillion yen mark. The expansion of AI data centers has further intensified the demand for memory chips. As a result, TOTO's orders for electrostatic chucks are already fully booked through to 2027.