JTEKT Corporation, a manufacturer and seller of steering systems, driveline components, bearings, machine tools, electronic control devices, home accessory equipment, has agreed to acquire 100% stake in Toyo Seimitsu Industry Co., Ltd., engaged in manufacturing of differential gears, from Toyota Motor Corporation. All companies involved in the transaction are based in Japan.

JTEKT was formed by the merger of Japan-based Koyo Seiko and Toyoda Machine Works on 1 January 2006.

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

In the Toyota Group’s current driveline operations, Toyota, JTEKT, and Yutaka Seimitsu share responsibilities for development and production of each driveline component, with Toyota and Yutaka Seimitsu responsible for differential gears and JTEKT responsible for torque control devices (electronically controlled 4WD couplings).

Toyota is consolidating its supply chain in driveline components and divesting some operations.

Just Auto Excellence Awards - Nominations Closed

Nominations are now closed for the Just Auto Technology Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact.

Excellence in Action
Continental has secured the Window Displays Innovation Award in the 2025 Just Auto Excellence Awards for its Window Projection solution, transforming side windows into dynamic, data-rich canvases. Discover how this compact projection technology and intelligent software are reshaping in-car UX and opening fresh revenue streams for OEMs and mobility providers.

Discover the Impact