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History

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1973	May	Foundation of "Y. A. C. Co., Ltd." in Akishima City, Tokyo with a 　paid-up-capital of JPY 2.1 million.
	June	Entered into a Industrial Packaging Equipment  business. 　Developed Packaging Equipment for use in the foods industry 　 and packaging equipment for use in the　cleaning industry. 　Commenced sales.
1975	August	Moved Head Office to Tachikawa City, Tokyo.
1976	May	Completion of Akishima Factory in Akishima City, Tokyo.
1977	January	Entered into a Semiconductor Industry business
1982	May	Completion of Head Office Factory in Akishima City, Tokyo.
1984	February	Developed "POS System" for liquor stores. 　Commenced sales.
1985	August	Entered into a Hard Disk Drive industry business.
1987	June	Developed Floating Tape Processing System (FTP) for 　Hard Disk Drive industry. Commenced sales.
1988	July	Completion of extension work of head office factory 　 (Akishima City, Tokyo)
1989	March	Developed Handlers for Substrate Testing for use in the 　semiconductor industry. Commenced sales.
1990	April	Entered into a Liquid Crystal Display (LCD) industry business.
1991	April	Established a California Representative Office in Santa Clara, 　California, USA
1992	March	Established a Technical Center in Akishima City, Tokyo
1993	March	Developed a Hanger Sorting System for use in the cleaning 　 industry. Commenced sales.
	November	Developed an Ultra Clean Packaging System (U.C.P.F.) for 　use in the semiconductor and magnetic disk industries.
1994	June	Listed its shares on the over-the-counter market of the Japan 　 Securities Dealers Association.
1995	October	Established "HYAC Corporation" with a paid-up-capital of 　US$200,000 in California, USA for manufacturing and sales 　of various automation equipment. 　Established "YAC Systems Singapore Pte. Ltd." in Singapore 　with a paid-up-capital of SG$300,000.
1997	November	Completion of "Akishima No. 2 factory". 　Developed "Low Cost Hanger Sorting System" and "High Speed, 　Low Profile Hanger Packing System" for a Cleaning Industry.
1998	July	Commenced development of the "Memory IC Test Handler 　TH-7000".
	October	Development of clean conveyor systems for use by disk 　manufacturers. Commenced manufacture.
2000	April	Merged with "Plasma Systems Co., Ltd." 　Took over the business of handler division of 　 "MC Electronics Co., Ltd".
2001	October	Took over cleaning business by concluding "Business 　 Transfer Agreement" on Cleaning Industry equipment 　 with "Fuji Car Mfg Co., Ltd." and 　"Fuji Cleaning Equipment Co., Ltd.".
2006	August	Made Yishimura-Seiki Co., Ltd (changed the company name to 　 “YAC Niigata　Seiki Co., Ltd.”) the subsidiary by acquiring all 　of its stock