| 1919.10 | Genzo Oda establishes Mitsuboshi Shokai to manufacture mainly cotton belts at the present Kobe Plant site. |
| 1920.03 | Cotton belts are replaced with rubber belts. |
| 1932.10 | The business is incorporated as Mitsuboshi Shokai Co., Ltd. |
| 1935.06 | The company is renamed Mitsuboshi Chotai Co., Ltd. |
| 1936.03 | Manufacture of conveyor belts begun. |
| 1937.06 | Tokyo Branch opens. |
| 1940.10 | Manufacture of V-belt begun. |
| 1947.01 | Shikoku Plant begins manufacturing of flat belts. |
| 1947.11 | Nagoya Branch opens. |
| 1955.06 | Manufacture of timing belts begun. |
| 1957.05 | Listed on Osaka Securities Exchange. |
| 1958.07 | Company renamed Mitsuboshi Belting Ltd. |
| 1961.05 | Listed on Nagoya Stock Exchange. |
| 1961.06 | Nagoya Plant built. |
| 1962.01 | Listed on Tokyo Stock Exchange. |
| 1962.05 | Manufacture of interior automotive components begun. |
| 1963.07 | Manufacture of exterior automotive components begun. |
| 1965.04 | MBL (USA) Corp. established in Illinois, USA. |
| 1973.07 | M.B.L. Sales Ltd. established in Alberta, Canada. |
| 1973.11 | MBL (Europe) B.V. established in Netherlands. |
| 1973.12 | Mitsuboshi Belting (Singapore) Pte. Ltd. established in Singapore. |
| 1977.02 | Kanagawa Plant established through the transfer of manufacturing facilities for automotive components from Mitsuboshi Belting Kanagawa Manufacturing Co., Ltd. |
| 1977.07 | Manufacture of ChemiFlex products from polyurethane materials begun. |
| 1977.09 | Mitsuboshi Belting Philippines Corp. established. |
| 1980.04 | Shiga Plant completed; cord treatment for power transmission belt begun. |
| 1982.10 | Mitsuboshi Belting (Thailand) Co., Ltd. Established. |
| 1984.07 | MBL Antriebstechnik Deutschland GmbH established. |
| 1986.09 | Production plant built for MBL (USA) Corp. |
| 1987.12 | Mitsuboshi Belting Indonesia established. |
| 1988.02 | Shiga Research Institute was set up. |
| 1988.03 | A&M Belting Co., Ltd. established in Ireland. |
| 1988.09 | MBL International (Asia) Pte. Ltd. established in Singapore. |
| 1989.01 | Head Office moved to Harborland Center Building, Kobe. |
| 1990.01 | The Great Hanshin Earthquake damaged part of Head Office and the Kobe Plant, with losses amounting to approx 300,000,000 yen. |
| 1990.05 | Kanagawa Plant receives ISO 9002 certification for the manufacture of interior automotive components. |
| 1992.10 | Shikoku Plant receives ISO 9002 certification for the manufacture of power transmission belts. |
| 1995.01 | Tokyo Branch moved to Nipponbashi, near Tokyo Station. |
| 1996.03 | P.T. Seiwa Indonesia established as a subsidiary of Mitsuboshi Belting (Singapore) Pte. Ltd. |
| 1996.06 | Japanese web site launched at http://www.mitsuboshi.co.jp |
| 1996.06 | Tong Yang-Mitsuboshi Co., Ltd. established in Taiwan. |
| 1996.11 | Industrial Material Division of Head Office, Kobe Plant, Nagoya Plant, and Tokyo Branch receive ISO 9001 certification for the manufacture of power transmission belts. |
| 1996.11 | Tianjin Mitsuboshi Belting Co., Ltd. established in China. |
| 1997.04 | MBL (USA) Corp.'s power transmission belts was awarded with QS-9000. |
| 1997.05 | Kanagawa Plant's interior automotive components achieved ISO 14000. |
| 1997.07 | Environment friendly olefin series thermoplastic elastomer was used to develop automotive interior components. |
| 1997.10 | Mitsuboshi Belting Giken Co., Ltd. was established at Ayabe city Kyoto for the development of new production systems. |
| 1997.10 | The 80th anniversary ceremony of the company's foundation was held. |
| 1998.01 | Techno Research center for basic research and product development was established next to the head office building in Kobe. |
| 1998.03 | Head Office moved to Nagata Ward, Kobe. |
