Established in Yokkaichi-shi, Mie as Showa Kogyo Co., Ltd.
Company name changed to Kabata Chotai (Belt) Co., Ltd.
Joined the Sumitomo Group. Company name changed to Tokai Rubber Industries, Ltd. (using Kanji for Rubber in the Japanese name)
Matsusaka Factory (current Matsusaka Plant) started operation
Listed on the Nagoya Stock Exchange (NSE)
Started the automotive anti-vibration rubber products business
Commercialized radiator hoses; full-scale launch of the automotive hose business
Komaki Factory (current Komaki Plant) started operation
Company name changed to Tokai Rubber Industries, Ltd. (Changed Kanji for Rubber to Katakana, different Japanese character)
Moved the head office from Yokkaichi-shi to Komaki-shi, Aichi
Started manufacturing large-diameter ultrahigh-pressure hoses for industrial applications
Foreman Training (F-Ken) started as part of efforts to develop human resources as part of the general improvement activities at workplaces
Started the office equipment precision components business
Opened the Technical Center (Komaki-shi, Aichi)
Established DTR Industries, Inc. (current SumiRiko Ohio, Inc.), the Company's first overseas production base in the U.S.
Fuji-Susono Factory (current Fuji-Susono Plant) started operation
Listed on the second section of the Tokyo Stock Exchange (TSE)
Established subsidiaries in Thailand and China, the Company’s first bases in Asia
Listed on TSE and NSE changed to first section
Established a subsidiary in Poland, the Company’s first base in Europe
Developed damping devices for housings and entered the housing market
Established TRI Technical Center USA, Inc. (current SumiRiko Technical Center America, Inc.), the Company’s first overseas development base in the U.S.
Formulated Group Action Charter
Construction of Technopia, an R&D laboratory, completed (Komaki-shi, Aichi)
Established Tokai Rubber Technical Center (China) Co., Ltd., the Company’s first R&D base in China
Acquired Dytech-Dynamic Fluid Technologies S.p.A. (current SumiRiko Italy S.p.A.), an Italian automotive hose manufacturer, and Anvis Group GmbH (current SumiRiko AVS Holding Germany GmbH), a German automotive anti-vibration rubber manufacturer, and made them into consolidated subsidiaries
Completed Training Center Unuma Sangakukan (Kakamigahara-shi, Gifu)
Company name changed to Sumitomo Riko Company Limited
Started mass production of "cell gasket", the rubber seal components used for FC stacks in fuel cell electric vehicles (FCEV)
SumiRiko FC Seal, Ltd. established to take on the manufacturing functionality of "cell gaskets", the rubber seal components (Komaki-shi, Aichi)
SumiRiko Yamagata Company Limited established as the first manufacturing base in the North-eastern region of Japan to manufacture anti-vibration rubber for automobiles (Yonezawa-shi, Yamagata)
Established Global Headquarters (Nakamura-ku, Nagoya-shi)
Established Advanced Automotive Systems R&D Center(current Advanced Systems R&D Center)(Komaki-shi, Aichi)
Integrated two industrial hose subsidiaries to form Sumitomo Riko Hosetex, Ltd. (Ayabe-shi, Kyoto)
Absorbed and merged with SumiRiko Fine Elastomer, Ltd., rubber seal manufacturing company and established Saitama Plant (Ageo-shi, Saitama)
Established the "Sumitomo Riko-AIST Advanced Devices of Polymer Materials Cooperative Research Laboratory" with the National Institute of Advanced Industrial Science and Technology (Tsukuba-shi, Ibaraki)
Established automotive hose manufacturing company, SumiRiko Vietnam Co., Ltd. in Vietnam
Transferred to TSE Prime Market and NSE Premier Market due to restructuring into new market segments