|1938||Kyoritsu Gokin Limited Partnership established.|
|1939||Kyoritsu Gokin becomes a public company.|
|1944||Designated a naval inspection factory.|
|1948||Joins the Japan Cemented Carbide Tool Manufacturer's Association as a founding member.|
|1957||Spray nozzle manufacturing begins|
|1958||Everloy Shoji Co., Ltd. is established.|
|1960||Tokyo sales office opens.|
|1973||Hiroshima sales office opens.|
|1979||Kakuzo Matsumoto becomes Chairman of the Board, and Kozo Matsumoto becomes President.|
|1980||Nozzle factory completed in Kaibara, Hyogo.|
|1986||Chairman Kakuzo Matsumoto receives the Science and Technology Agency Director's Award and a Dark-blue Ribbon Medal.|
|1989||Cemented carbide factory completed in Kaibara, Hyogo. Chairman Kakuzo Matsumoto receives a Yellow Ribbon Medal.|
|1990||Kyushu sales office opens.|
|1992||Tokyo sales office is promoted to a branch office.|
|1994||Addition added to Kaibara cemented carbide factory.|
|1995||Processed goods factory established at headquarters.|
|1997||Specialized equipment department is established.|
|1998||Kyushu Everloy Co., Ltd. Kumamoto factory completed.|
|1999||Nozzle division certification: ISO9001
Cemented carbide division certification: ISO9002
|2000||Kyushu sales office is promoted to a branch office.|
|2001||Processing division certification: ISO9002|
|2002||Kaibara factory nozzle division certification: ISO14001|
|2004||New headquarters completed for Everloy Shoji Co., Ltd.
Cemented carbide division certification: ISO14001
|2005||Addition added to Kaibara nozzle factory.|
|2006||DNX nozzle awarded the Agency of Natural Resources and Energy Director's Award.
Company-wide certification: ISO9001
|2007||Addition added to Kyushu Everloy Kumamoto Factory #2.|
|2008||70th anniversary for Kyoritsu Gokin, 50th anniversary for Everloy Shoji.
Kozo Matsumoto becomes Chairman of the Board, and Keiro Fujiwara becomes President.
|2009||Company-wide certification: ISO9001/ISO14001|
|2012||Addition added to Kyushu Everloy Kumamoto Factory #3.
Awarded the Nishinomiya Tech Prize.
|2014||Local subsidiary established in Shanghai, China|