United Semiconductor Japan Co. (USJC), UMC’s Japanese subsidiary, announced late last month that it is building a production plant for power chips that control the flow and direction of electric current with Denso, which is part-owned by the world’s largest car maker by sales. “Semiconductors are becoming increasingly important in the automotive industry as mobility technologies evolve, including automated driving and electrification,” Denso president Koji Arima said in the a