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Koitoseisakusho

株式会社小糸製作所

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Koitoseisakusho is a manufacturer registered in Tokyo, Japan. Its registry entry is active and its identity was confirmed against official records on 2026-07-22, under corporate number 1010401009745.

About this company

Koitoseisakusho is a Japanese manufacturer based in Tokyo, Japan. Its registered business covers manufacturing and sales of automotive products. Public filings show stated capital of 14,270,000,000 yen and a reported workforce of 4,227. Its identity is confirmed against the national company register under corporate number 1010401009745, and the entry is currently active. Export experience has not yet been independently verified. It reports a workforce of 4,227 and stated capital of 14,270,000,000 yen. In this directory it is classified as a manufacturer, which describes how it trades rather than what it sells.

Registered company details

Japanese name: 株式会社小糸製作所
Romanized name: Koitoseisakusho
Address: Kitashinagawa 5-1-18 Sumitomofudousan Oosaki Tsuinbiru Higashikan
Corporate number: 1010401009745
Registry status: Active
Entity role: Manufacturer
Registry number issued: 2015-10-05 (the date the number was issued, not a founding date)
Founded: 1936-04-01
Stated capital: 14,270,000,000 yen
Reported employees: 4,227
Website: https://www.koito.co.jp/sustainability/social/humanresourse/

What we verified

Registered identity confirmed against official records on 2026-07-22. Corporate number 1010401009745.
Registry status recorded as active as of 2026-07-22.
Entity role classified as Manufacturer on 2026-07-22.

What we have not verified

Stating this plainly matters more than looking complete.

Export experience has not been independently verified. This company holds no export credential that we have been able to confirm from official sources.
English language communication has not been confirmed. Inquiries may need to be sent in Japanese, which we translate on your behalf.
Production capability has not been confirmed from the company's own website. Equipment, tolerances and lot sizes should be requested directly.
We have not audited this company's premises, financial standing or capacity to fulfil an order. Verification here covers identity and public record only.

Industrial context for Tokyo

Tokyo combines corporate headquarters with a long established base of small precision workshops, particularly in Ota ward, which is known for prototype work and short run machining.

How to verify this company yourself

You can confirm this company independently. Search it by name, in English, romaji, kana or kanji, with our company verification tool, and follow the checks in how to verify a Japanese company before you send money. The corporate number above is the key that ties every official record together.

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Last verified: 2026-07-22. If something here is wrong, tell us what changed: out of business, moved, no longer offers this, or details incorrect. Search the current record in the verification tool first.