• November 1967The production of vehicle gauges started at the U-Shin Shobara Plant.
  • June 1982Nippon Seiki Co., Ltd. and U-shin Ltd. established a joint venture company called YNS Inc.
  • November 1984The production of mechanical speedometers started.
  • May 1988A new resin mold plant was built and started operating.
  • May 1990A cross-coil movement automatic assembly line started operating.
  • February 1991YNS Inc. became a joint venture company of Nippon Seiki Co., Ltd., Mazda Motor Corporation and U-shin Ltd.
  • September 1991Automatic printing facilities started operating.
  • April 1993YNS Inc. was recognized as a company of superior quality by Mazda Motor Corporation, and YNS Inc. continued to be recognized as such.
  • October 1994YNS Inc. started developing new products such as heater control units and speed sensors.
  • August 1995Mounting facilities for electronic circuit boards started operating.
  • February 2000YNS Inc. obtained QS 9000 and ISO 9001 certifications.
  • September 2000YNS Inc. became a joint venture company of Nippon Seiki Co., Ltd. and U-shin Ltd.
  • November 2001YNS Inc. obtained ISO 14001 certification.
  • August 2002A new plant for mounting electronic circuit boards was built and started operating.
  • April 2006 YNS Inc. obtained ISO/TS 16949 certification.
  • December 2007Nippon Seiki Co., Ltd. became a 100-percent shareholder.
  • September 2010The company name of YNS Inc. was changed into NS West Inc.
  • August 2017Miryoshi Factory completion.
  • May 2019Capital was increased to 350 million yen.
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