Renesas plans chip output in Ehime after fire at main plant Sorry, but your browser needs Javascript to use this site. If you're not sure how to activate it, please refer to this site: https://www.enable-javascript.com/ Renesas was the second-largest provider of microcontrollers — chip products installed in vehicles to control power units and other devices — in 2020 with a 17.0% global market share | REUTERS Kyodo Apr 6, 2021 Major chipmaker Renesas Electronics Corp. is considering undertaking some semiconductor production at a plant in Ehime Prefecture following a fire in March at its main plant northeast of Tokyo, company sources said Tuesday. Renesas plans to temporarily move output of chip products to its Saijo plant in a bid to recover production as early as possible amid a global semiconductor shortage that has hit the auto industry hard.