Soken
SOKEN is a corporate research institute established in 1970, funded by Toyota and Denso, conducting comprehensive R&D for automotive technology.
Last updated September 1, 2026
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Overview
SOKEN was established in 1970 with investment from 11 Toyota group parts companies to conduct research on exhaust emission regulations and safety measures. Since 1985, it has been funded by Toyota Motor Corporation and Denso, and it conducts research across eight fields, supporting the future of automotive technology. Its core strengths are measurement, analysis, and visualization technologies, and it emphasizes speedy research integrating technology and skills. It only accepts commissioned research from Toyota and Denso.
History
SOKEN was established on November 24, 1970, as the Japan Automobile Parts Comprehensive Research Institute, with investment from 11 Toyota group parts companies, to conduct research on exhaust emission regulations and safety measures. In 1975, Toyota capital participation occurred. In 1985, the company became funded by two companies: Denso and Toyota. In 2017, the company name was changed to SOKEN. In 2018, it moved to a new building in Nisshin City.
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