2002/10/11 Acquisition of the certification by the head office and Ohguchi plant Gifu and Kumamoto Areas
Kani plant, Gifu plant,
Ena plant,
Kumamoto plant

Aichi Area
Head office,
Ohguchi plant,
Gojyogawa plant
2003/06/13 Acquisition of the certification by Kani plant
2003/07/04 Acquisition of the certification by Kumamoto plant
2003/10/31 Acquisition of the certification by Gifu plant
2003/12/05 Acquisition of the certification by Gojyogawa plant
2004/03/12 Acquisition of the certification by Ena plant
2004/06/09 Integration of Gifu and Kumamoto areas (changes made in the certification)
2004/10/27 Integration of Aichi area (changes made in the certification)
2005/05/26 Regular and 2004 version transition audits for Gifu and Kumamoto areas
2005/09/29 Renewal and transition-to-2004 version audits for Aichi area
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