|1954Jan||January 5th Established in Shinbori-cho, Azabu, Minato-ku, Tokyo by Mitsuaki Yonezawa|
|1957Dec||December 27th Established Yonezawa Koki Co., Ltd.|
|1958Feb||Relocated to 1403, Hara-machi, Meguro-ku, Tokyo. Established Machine Tool Dept. to start machine tool sales.|
|1962Apr||Opened Utsunomiya Sales Office.|
|1969Apr||Opened Fukushima Sales Office.|
|1970May||Head Office Building completed (1-33-16, Todoroki, Setagaya-ku, Tokyo). Relocated Head Office.
Reorganized as Yonezawa Koki Co., Ltd.
|1972Sep||Became authorized distributor of Okamoto Machine Tool Works, Ltd.|
|1977Apr||Became authorized distributor of Makino Milling Machine Co., Ltd.|
|1980Apr||Capital increased to 70 million yen.|
|1984Apr||Became member of Japan Machine Tool Distributor Association (JMTDA).
Became authorized distributor of Mori Seiki Co., Ltd.
|1985May||Became authorized distributor of Graphic Products Inc.|
|1987Apr||Upgraded Utsunomiya Sales Office to Utsunomiya Branch Office.|
|1992Aug||Head Office Building completed.|
|1998May||Established spin-off subsidiary, Nihon Data Fusion Co., Ltd., to expand computer operations (software planning, development, and maintenance services).|
|2002Oct||Became authorized distributor of Mitsubishi Electric Corporation.|
|Dec||Established Yonezawa Engineering Asia (Thailand) Co., Ltd. in Bangkok, Thailand.|
|2003Jan||Established Dalian FTZ Yonezawa Trading Ltd. in Dalian, China.|
|2004Apr||Second Head Office Building completed.|
|Jul||Established Guangzhou Yonezawa Trading Ltd. in Guangzhou, China.|
|2005Mar||Mitsuaki Yonezawa became Board Chairman and CEO.
Shunichi Aoki became President and COO.
Established Shanghai Waigaoqiao FTZ Branch Office of Dalian FTZ Yonezawa Trading Ltd in Shanghai, China.
|Apr||Became authorized distributor of Okuma Corporation.|
|Nov||New building completed for Fukushima Sales Office.|
|2008Jan||Opened Fukuoka Sales Office.|
|2010Apr||Opened Japan Data Fusion Yokohama Technical Center.|
|2012Aug||Established PT.YONEZAWA INDONESIA in Indonesia.|
|2013Jan||Established Yonezawa Koki Co., Ltd. Hanoi Representative Office in Hanoi, Vietnam.|
|May||Established Yonezawa Mexico S.A. de C.V. in Mexico.|
|Sep||Established Yonezawa USA, Inc. in USA.|
|2014Jun||Established Guangzhou Yonezawa Trading Ltd. Shanghai Branch in Shanghai, China.|
|Jul||Established Guangzhou Yonezawa Trading Ltd. Wuxi Branch in Wuxi, China.
Established YONEZAWA VIETNAM CO., LTD. to replace Yonezawa Koki Co., Ltd. Hanoi Representative Office
|Sep||Consolidated the operations of Nihon Data Fusion into Yonezawa Koki Co., Ltd. for the sake of business reorganization|
|Oct||Opened Okayama Sales Office.|
|2015Jul||Opened Kitakami Sales Office.|
|2017Apr||Opened Shizuoka Sales Office.|