Toyota-linked parts suppliers keep up rapid pace on R&D, capex

Denso, Toyota Industries and peers focus on electric, self-driving tech under tariff cloud

20250501N Toyota suppliers

Aisin is focusing on technology for electrified vehicles, such as e-axles, while Denso is working on more efficient power semiconductors. (Source photos by Ryohei Shimizu and Yuki Fukumoto)

TAKAYUKI YAO

NAGOYA, Japan -- Seven Japanese auto parts makers affiliated with Toyota Motor plan investments totaling more than 1 trillion yen ($7 billion) in both R&D and capital spending for a third straight year, keeping up work on electrification and self-driving technology.

The combined research and development spending by Denso, Aisin, Toyota Industries, Toyota Boshoku, Toyoda Gosei, Aichi Steel and Jtekt is slated to rise 6% to 1.22 trillion yen in fiscal 2025, with all but Jtekt set for record highs.

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