NGK Spark Plug's R&D expenses FY 2013-2022
In the fiscal year 2022, the research and development expenditure of NGK Spark Plug amounted to approximately 27.9 billion Japanese yen, up from about 23.69 billion yen in the previous fiscal year.
Nagoya-headquartered NGK Spark Plug Co., Ltd. was founded in 1936; today, the Japanese company is a global automotive industry supplier.