Private company

Koito Manufacturing

Logo: 小糸製作所, Public domain, via Wikimedia Commons4

Japanese industrial company

Koito Manufacturing Co., Ltd. (株式会社小糸製作所, Kabushiki-gaisha Koito Seisakusho) is a conglomerate headquartered in Totsuka Ward, Yokohama, Kanagawa Prefecture, Japan.3 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Apr 1, 1936Founded1
Koito HQ Tokyo
Photo: Ch0331, CC BY-SA 3.0, via Wikimedia Commons5

Koito Manufacturing Co., Ltd. (株式会社小糸製作所, Kabushiki-gaisha Koito Seisakusho) is a conglomerate headquartered in Totsuka Ward, Yokohama, Kanagawa Prefecture, Japan.3

Corporate structure

Koito Manufacturing sits at the top of its group. 3 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G; stakes of 5% or more it reported on Schedules 13D and 13G (1 companies). Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. Apr 1, 1936Founded Founded1

Stakes it holds

Koito Manufacturing has told the SEC it owns more than 5% of 1 company, latest first (Schedules 13D and 13G).

SEC filer profile

How Koito Manufacturing is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARKoito Manufacturing Co., Ltd.2
  • CIK0001890849
  • Incorporated inJapan2
  • Fiscal year endsMarch 312
  • Business addressSumitomo Fudosan Osaki Twin Bldg. East,, 5-1-18, Kitashinagawa, Shinagawa-Ku,, Tokyo, M0 14100012
  • Phone813344751422
  • On EDGAR sinceFeb 18, 20222
  • Filings13 in all: SC 13D/A (8), 4 (2), 3 (1), SC 13D (1), SCHEDULE 13D/A (1)2