05

History

Summary Timeline of Our Company

The 100-Year History of NGK INSULATORS

1919-1958

1919
  • NGK INSULATORS, LTD. is established as a spin-off from Nippon Toki's Insulator Division.
  • Kazuchika Okura is appointed as president (the company’s first).
1936
  • NGK Spark Plug Co., Ltd. is established as a spin-off from NGK's Spark Plug Division.
1939
  • Magoemon Ezoe is appointed as president (the company’s second).
1942
  • Construction of Chita Plant, located in Handa, Aichi, is completed.
1944
  • Yoshiyuki Morimura is appointed as president (the company’s third).
1946
  • The NGK Workers’ Union is started.
1948
  • Kumao Yoshimoto is appointed as president (the company’s fourth).
1950
  • Capital participation in Asahi Malleable Iron Co., Ltd.
1951
  • The inaugural issue of Mizuho, the company newsletter, is published.
1956
  • Capital participation in Fuji Yogyo.
  • The Indian liaison office is established (in Mumbai).
1957
  • Atsuta Plant is completed.
  • Insulator plant in Mysore, India is completed with technical cooperation from NGK.
  • Main plant at the time of the company’s founding (1919)
  • Directors at the time of founding (Center: President Okura) (1919)
  • Chita Plant (1942)
  • The inaugural issue of Mizuho (1951)
  • Atsuta Plant (1957)
  • Insulator plant in India (1957)