Tokki transformed itself in 1998 into a maker of equipment which combines FA system and vacuum technologies, successfully differentiating itself from peers. In June 1999, the Tokki became the world's first company to develop the organic EL Vacuum Evaporation and Sealing System, the Company's core product. This triggered growing interest in organic EL technology from a wide range of industry sectors, and helped the Company return to profitability and resume dividend payments.

In January 2004, in order to more clearly define its focus as a manufacturer of vacuum technology-based products, Tokki Corporation spun off its machine tools sales operations, the original line of business for Tokki Corp., and FA system integrator operations by forming a consolidated subsidiary, Tokki Industries Co., Ltd. Tokki Corp. continues to evolve as the world's top manufacturer of mass-production equipment for organic EL panels, while striving to achieve higher levels of technology