What kind of company is Niterra?
Niterra viewed in figures
Founded in 1936 as a plug manufacturer, NGK SPARK PLUG CO., LTD.（※） started research and development of new ceramic products
based on technical development of ceramics, an essential element of plugs.
We have expanded our areas of business to include sensors, semiconductors, and medical care.
（※）Changed English company name to Niterra Co., Ltd.
Company Profile
Establishment
Total number of employees
Number of domestic branches
*As of March 2025
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