Started the manufacture of NTK techinical ceramics. Listed on both Tokyo and Nagoya stock exchanges.
Started the manufacture of ceramic cutting tools and inserts. Started the manufacture of copper-cored wide range spark plugs. Became a pioneer product in the automobile industry.
Established CERAMICA E VELAS DE IGNICAO NGK DO BRASIL S.A. (the present CERAMICA E VELAS DE IGNICAO NGK DO BRASIL)

Established NITTOKU SEISAKUSHO CO., LTD.
Established NGK SPARK PLUGS (U.S.A.), INC. (Sales company)
Started the manufacture of temperature sensors for automobile.
Established NTK CERAMICS (U.S.A.), INC. (Ceramic manufacturing company)
Established NGK SPARK PLUG (AUSTRALIA) PTY. LTD.
NGK Australia launches Spark and Glow Plug range.

Established NGK SPARK PLUGS CANADA LIMITED.
EstabIished KAMIOKA CERAMIC CO., LTD.
Established TONO CERAMIC CO., LTD.
Started the manufacture of oxygen sensors for automobile.

Established CERAMIC SENSOR CO., LTD.
Established NGK SPARK PLUG INDUSTRIES EUROPE S.A.S. (FRANCE)
Started the operation of Europe Technical Center.
Started the manufacture of bio ceramics.

Total number of production of NGK spark plugs exceeded 5 billion units.
Established NGK SPARK PLUGS (U.S.A.) HOLDING, INC.
Started the manufacture of oxygen concentrator for home oxygen therapy.
Started the manufacture of new high temperature ceramic glow plugs.
Acquired 100% ownership of NIHON CERATEC CO., LTD.
Acquisition of all the share relating to WELLS vehicle electronics business.