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Apr. 1958	Founded as ISHIGAKI SEISAKUSHO at Shikoku Island in Japan
Apr. 1960	Vacuum Filter developed Renamed ISHIGAKI MECHANICAL INDUSTRY CO., LTD.
Dec. 1965	Tokyo Sales Office (currently Head Office) opened
Aug. 1972	LASTA ISD type Filter Press developed
Oct. 1973	ISHIGAKI MAINTENANCE CO., LTD. established
Jul. 1976	Technology export of LASTA FILTER to Ingersoll-Rand USA
Aug. 1979	Technology import of Pump technology from Ingersoll-Rand USA
Jun. 1987	Technology export of Super Wakishimizu to Union, South Korea
Dec. 1990	Screw Press, ISGK developed
Aug. 1996	Certificate of approval for ISO9001 obtained
Oct. 1996	Company name changed to, ISHIGAKI COMPANY, LTD.
Jul. 1997	Model IWJ waterjet-mounted cruiser developed
Oct. 1997	Sakaide Boat-building Plant completed
Sep. 1998	ISHIGAKI representative office established in USA
Jun. 2000	Technology export of Screw Press to NETZSCH, Germany
Jul. 2001	ISO14001 obtained
May. 2004	ISHIGAKI ENVIRONMENTAL MACHINE (SUZHOU) CO., LTD. established
Oct. 2004	ISHIGAKI Europe GmbH established
Aug. 2006	ISHIGAKI OCEANIA PTY LTD established
Apr.　2010	ISHIGAKI ENVIRONMENTAL MACHINE (SUZHOU) CO., LTD. SHANGHAI BRANCH established.