Sumitomo Riko

Sumitomo Riko Co. Ltd. (住友理工株式会社) is a Japanese company which produces rubber and other synthetic resin products.

In June 2014, the company changed its corporate name from Tokai Rubber Industries to Sumitomo Riko to clarify that it is a part of the Sumitomo Group.

Through its subsidiaries in 24 countries, the company claims to hold the largest market share of automotive anti-vibration products. Automotive products account for nearly 80 percent of sales.

Automotive products

 * Anti-vibration rubber components
 * Sound controlling and insulation products
 * Automotive hoses
 * Modular parts

IT-related products

 * Office automation equipment components
 * Precision anti-vibration rubber products

Industrial products

 * Hydraulic hoses
 * Rubber hoses

Infrastructure application products

 * Anti-vibration rubber for railway vehicles
 * Anti-vibration rubber for industrial machinery
 * Seismic isolation bearings for bridges

Construction and housing products

 * Earthquake countermeasures: dampers
 * Countermeasures to traffic and other vibrations in the living environment
 * Energy-saving products