Sumitomo Riko

Sumitomo Riko Co. Ltd.
Public KK
Traded as TYO: 5191
NAG: 5191
Industry Rubber & plastic
Founded (December 1929 (1929-12))
Headquarters 3-1, Higashi, Komaki, Aichi 485-8550, Japan
Key people
Yoshiaki Nishimura
(President and CEO)
  • Automotive parts
  • IT-related products
  • Industrial materials

Increase US$ 3.58 billion (FY 2013)

(JPY 369 billion) (FY 2013)

Increase US$398 million (FY 2013)

(JPY 41 billion) (FY 2013)
Number of employees
22,546 (as of March 31, 2014)
Parent Sumitomo Electric Industries (49.53%)
Website Official website
Footnotes / references

Sumitomo Riko Co. Ltd. (住友理工株式会社 Sumitomo Rikō Kabushiki-gaisha) is a Japanese company which produces rubber and other synthetic resin products.[3]

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.[4]

Through its subsidiaries in 24 countries, the company holds the largest market share of automotive anti-vibration products.[4] Automotive products account for nearly 80 percent of sales.[4]

Business segments and products

Automotive products

Industrial products

Infrastructure application products

Construction and housing products


  1. "Company outline". Sumitomo Riko. Retrieved January 28, 2015.
  2. "Company Overview". Reuters. Retrieved January 28, 2015.
  3. "Company Snapshot". Bloomberg L.P. Retrieved January 24, 2015.
  4. 1 2 3 "Tokai Rubber changes name to Sumitomo Riko in push for overseas growth". Automotive News. June 19, 2014. Retrieved January 28, 2015.

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