Taiwan Semiconductor Manufacturing Co. said Friday it has started mass production at its first factory in Japan, as the government steps up efforts to strengthen supply chains for critical and essential goods. The factory in Kumamoto Prefecture produces logic chips with 12 to 28 nanometer process technologies for use in cars and image sensors for customers such as Sony Group Corp. and auto parts maker Denso Corp. File photo taken in April 2024 shows Taiwan Semiconductor Manufacturing Co.'s first...