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Home > Past information

Past information

  • 2011/04/01 Diode department started the wafer inspection of discrete products
  • 2009/01/26 Niigata factory obtained Eco Action 21
  • 2008/06/09 Introduction of thunder resistant system was added.
  • 2008/02/12 Introduction of system development was renewed.
  • 2008/01/25 Homepage was renewed.