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History | Until 1969 Since Establishment

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Until 1969 Since Establishment

New Atsuta Plant

New Atsuta Plant

Chita Plant under Construction

Chita Plant under Construction

Komaki Plant

Komaki Plant

1919 NGK INSULATORS LTD. was established as a spin-off of Noritake's Insulator Division.
1929 1,000 kV-class high voltage insulator testing facilities were completed.
1931 Started manufacturing and marketing of sulfuric acid corrosion-resistant apparatus for the chemical industry.
1934 Distributed ceramic diffusers, used for aeration systems at sewage treatment plants, to the city of Nagoya.
1936 NGK Spark Plug Co., Ltd. was established as a spin-off of NGK's Spark Plug Division.
1942 Construction of Chita Plant, located in Handa, Aichi Prefecture, was completed.
1958 Began manufacturing and marketing of beryllium-copper products.
1962 Construction of Komaki Plant, located in Komaki, Aichi Prefecture, was completed.
1963 Construction of High Voltage Laboratory was completed.
1965 NGK-LOCKE, INC. (the former NGK INSULATORS OF AMERICA, LTD.) was established in the U.S.A.
1967 Distributed a water sludge dewatering system to the city of Amagasaki in Hyogo Prefecture, and a sewage sludge dewatering system to the city of Sakai in Osaka Prefecture.
1968 NGK INSULATORS OF CANADA, LTD. was established.

Anecdote

An insulator fragment brought back from the U.S. in 1905

An insulator fragment brought back
from the U.S. in 1905

"For the country's benefit, not for our own."In 1905, a small piece of an insulator was brought back to Japan from the U.S.A. It has led NGK to make a huge decision - to produce special high voltage insulators at home.
The idea behind our determination at then can still be seen in our corporate philosophy, "NGK products and technologies must create new value and contribute to the quality of life." With this philosophy and our ceramic technologies cultivated through insulator production, NGK's technology will continue to exist forever, creating newer value for people, society and earth.


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