Quake damage at Japan auto parts maker ripples through massive supply chain

Supply ChainAisin plant shutdown halts some production at Toyota, Nissan, MitsubishiThis Aisin plant in Kumamoto that makes door parts was knocked out by the earthquake, with no timetable for resuming operations as of yet. (Photo by Yo Inoue)RYO ASAYAMA and HAJIME MATSUMOTOJuly 31, 2026 01:02 JSTNAGOYA, Japan/TOKYO -- A plant operated by major Toyota Motor supplier Aisin sustained damage from Tuesday's massive earthquake on Japan's southern island of Kyushu and the timetable for resuming operations remains unclear, highlighting the urgent need to diversify the country's automotive supply chain against risks.