1934 | Kosaburo Chikamori founded Toyo Steel Ball Seisakusho and started manufacturing steel balls for bicycles. |
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1936 | Kaichiro Morii established Toyo Steel Ball Seisakusho General Partnership Company. |
1939 | Launched as a joint-stock company as Toyo Steel Ball Manufacturing Co., Ltd. Setsuzo Tsubakimoto was appointed as first president. |
1941 | Began manufacturing and sale of chrome steel balls. |
1951 | The factory was approved by JIS (Japan Industrial Standards). |
1954 | Changed name to Tsubakimoto Steel Ball Manufacturing Co., Ltd. |
1958 | Began mass production of nylon, stainless, brass and other special balls. Started manufacturing and sale of tungsten carbide balls. |
1959 | Started manufacturing and sale of ball screws. Went public on the OTC market in Osaka |
1961 | Listed on the second section of both the Tokyo and Osaka Stock Exchanges |
1968 | Company was renamed to Tsubakimoto Precision Products Co., Ltd. |
1969 | Completed and started operation of Koriyama Plant. Began sale of ball bushings. |
1970 | Started manufacturing and sale of rolled thread ball screws and rolled ball splines. |
1973 | Started manufacturing and sale of ceramic balls. |
1980 | Listed on the Luxembourg Stock Exchange. |
1981 | Started manufacturing and sale of precision positioning tables. |
1982 | Started manufacturing and sale of precision ball ways. |
1983 | Started manufacturing and sale of precision ball splines. |
1986 | Started manufacturing and sale of stock ball screws, ceramic ball screws, hollow ball screws and LPM positioning table. |
1988 | Listed on the first section of both the Tokyo and Osaka Stock Exchanges. |
1990 | Acquired the assets of Hoover Group’s steel ball division in the United States. |
1996 | Merged with Nakashima Seisakusho Co., Ltd., Tsubaki Nakashima Co., Ltd. was established. |
2002 | Established TN TAICANG CO., LTD. (formerly Tsubaki-Hoover (Taicang) Co., Ltd.). |
2003 | Acquired ZET (Zaklad Elementow Tocznych) factory from Polish state-owned company FLT (Fabryk Loczysk Tocznych). |
2006 | Acquired ChongQing Steel Ball Co., Ltd, in China. |
2007 | Became a wholly-owned subsidiary of TNN Investment Co., Ltd. by way of a share-for-share exchange and delisted from the Tokyo and Osaka Stock Exchanges. |
2010 | Established TN TAIWAN CO., LTD. (formerly Taiwan Tsubaki Nakashima Co., Ltd.). Established TN INDIA PRIVATE LIMITED (formerly Tsubaki Hoover India Pvt., Ltd.). |
2013 | Established TN ASIA PTE. LTD. (formerly Tsubaki Nakashima Global Pte. Ltd.). Acquired TN UNITED KINGDOM, LTD. (formerly Spheric-Trafalgar Ltd.), in United Kingdom. Acquired TN RAYONG LTD. (formerly Spheric-Trafalgar (Thailand) Ltd.), in Thailand. |
2015 | Established TN KOREA CO., LTD. (formerly Tsubaki Nakashima Korea Co., Ltd.). Re-listed on the first section of the Tokyo Stock Exchange. |
2017 | Acquired Precision Bearing Components Group of NN Inc. |