NOV 1987   Established with capital of 5 million yen as a power supply equipment company. JUN 1988   Started delivery of products and services for maintenance. APR 1989   Started maintenance services for telecontrol equipment and systems. JUL    Started component evaluation test services. JUN 1990   Received an order of control board maintenance of a thermal power plant. DEC    Started sale of power supply units for maintenance. JAN 1992   Capital was increased to 10 million yen. OCT    Marketed power supply units for urgent substitution. MAY 2001   Designed and manufactured power supply units for laser emission JAN 2003   Started full-scale maintenance services of a power supply unit for thermal power plant control devices. APR 2004   Introduced renewal version of power supply units for laser emission AUG   Promoted development of a wind power generation system. JUL 2008   Marketed a touch-panel to mouse converter MAR 2010   Capital was increased to 100 million yen. APR    Marketed an OCTD testing equipment (detection device for circuit breaker control units) SEP 2011   Opened a sales office in Hiroshima. FEB 2016   Started plant equipments business. DEC 2019   Opened a forestry business office in Nara prefecture.