1945 Yahagi Sangyo established. Introduced compression equipment.
1946 Yahagi Sangyo became a limited company.
1960 Introduced small scaled injection equipment.
1962 Introduced large scaled injection equipment.
1966 Introduced thermosetting resin injection equipment.
1967 Open Plant No.2.
1970 Ichinomiya Plant completed.
1974 Named as a QC model plant by Nippon Denso.
1975 Tominaga Plant completed.
1976 Yahagi Kanagata Co.,Ltd. established. Introduced precision measurement equipment and tooling microscope.
1981 Hashime Plant completed.
1982 Introduced three-dimensional measurement equipment.
1985 Matsuya Seiko Co.,Ltd. established.
1993 IMEC Co.,Ltd. established.
1994 Incorporated from limited company status.(Yahagi Sangyo Co.,Ltd.)
1998 New head office completed. Unified Tominaga, Hashime and Old head office. (Yahagi Sangyo Co.,Ltd.)
1999 Certified ISO 9002 (Yahagi Sangyo Co.,Ltd.)
2002 Certified ISO 14001 (Yahagi Sangyo Co.,Ltd.)
2003.1 Yahagi America Molding Inc. established.
2003.6 YAHAGI(THAILAND)CO.,LTD. established.
2007.8 Certified ISO 9001:2000 Yahagi America Molding,Inc.