NGK

This is the official website of Niterra Co., Ltd. which manufactures and sells NGK spark plugs and NTK new ceramics. This website discloses Corporate information, Product Information, Research & Development, CSR, IR Information and information on job opportunities.

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This is the official website of Niterra Co., Ltd. which manufactures and sells NGK spark plugs and NTK new ceramics. This website discloses Corporate information, Product Information, Research & Development, CSR, IR Information and information on job opportunities.

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Sources & evidence

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Country (Wikidata; date unspecified)

Stated by a public source

Japan

Wikidata Q585666 property P17. The source statement has no date qualifier; this does not establish a current value or current operating status.

Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.

Rule checked 2026-10-17 · Review due 2027-01-15 · Version 1

Inception (Wikidata)

Stated by a public source

1936

Wikidata Q585666 property P571. Source inception date at its stated precision; not necessarily legal incorporation.

Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.

Rule checked 2026-10-17 · Review due 2027-01-15 · Version 1

Industry (Wikidata; date unspecified)

Stated by a public source

automotive industry

Wikidata Q585666 property P452. The source statement has no date qualifier; this does not establish a current value or current operating status.

Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.

Rule checked 2026-10-17 · Review due 2027-01-15 · Version 1

Legal form (Wikidata; date unspecified)

Stated by a public source

public company

Wikidata Q585666 property P1454. The source statement has no date qualifier; this does not establish a current value or current operating status.

Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.

Rule checked 2026-10-17 · Review due 2027-01-15 · Version 1

Official website (Wikidata; date unspecified)

Stated by a public source

http://www.ngkntk.co.jp/english/index.html

Wikidata Q585666 property P856. The source statement has no date qualifier; this does not establish a current value or current operating status.

Deterministically projected from an identity-matched Wikidata record. Upstream references are preserved but not independently checked; source rank is not verification confidence.

Rule checked 2026-10-17 · Review due 2027-01-15 · Version 1

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