Our Stories Development of solid-state batteries: Leading the way to the practical use of solid-state batteries. Measurement Technology : Maintaining The Standards Which Lead The Global Market. New Type “Oxygen Sensors" for Cleaning Up Exhaust Gases. Development of SOFC Development of BIDEMICS Development of Spark Plugs for Racing Cars Development of Temperature Sensors Expansion of Business into Areas Related to Production of Medical Equipment Development of Hydrogen Leak Detection Sensors