History | Riken https://passenger-car.riken.com/history/

"FACTORY
FOUNDATION
Riken Gomu Industry was established in Japan in 1917. The company initially worked in the field of physical science and chemical research."

あ、日本由来のブランドってアピールしてるんだ
製造も開発ももはや日本全然関係ないんだけど