AutomobilesAisin and other suppliers also look at $7bn in spending, eyeing India expansionDenso seeks to develop products that fewer rare earths while Aisin hurries to build plants in India to support expanded Toyota production. (Source photos by Nikkei)Nikkei staff writersMay 28, 2026 01:24 JSTNAGOYA, Japan/TOKYO -- Toyota Motor supplier Denso will spend heavily on research and development to wean itself off rare earths, joining five other suppliers on an investment spree in the year ahead.