Private company
Koyo Seiko
Logo: KoyoUK, CC BY-SA 4.0, via Wikimedia Commons3
Japanese manufacturing company
Koyo Seiko (Osaka, Japan) was established as a private company by Zenichiro Ikeda in 1921. They initially sold imported bearings but by 1935 had begun production of Koyo branded bearings under the name Koyo Seiko Co., Ltd. Koyo merged with Toyoda Machinery Jan. 1, 2006, to become JTEKT, a leading manufacturer of ball and roller bearings, automotive steering systems, drive line products and machine tools.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
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Koyo Seiko (Osaka, Japan) was established as a private company by Zenichiro Ikeda in 1921. They initially sold imported bearings but by 1935 had begun production of Koyo branded bearings under the name Koyo Seiko Co., Ltd.2
Links
- WikipediaKoyo Seiko
- WikidataQ6435160
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataKoyo Seiko on Wikidata
- 2WikipediaKoyo Seiko on Wikipedia
- 3Wikimedia CommonsKoyo Seiko logo by KoyoUK, CC BY-SA 4.0