December 2003 Started at Oshiage Office.
Planned to acquire ISO since milestone of 30-year foundation.
Acquisition of ISO (International Organization for Standardization) was planned at the
turning point which is 30 years since establishment,aimingat "Bottom-up participation
by all the employees"
October 1st, 2004 Acquisition of ISO9001(2000 version Certificate)
October 1st, 2007 Renewal of Registration
October 1st, 2010 Renewal of Registration (2008 versionCertificate)
October 1st, 2013 Renewal of Registration