9955 on Tokyo Stock Exchange

Yonkyu

Yonkyu is a Japanese company, founded in 1963, listed on Tokyo Stock Exchange (9955).¹

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Last updated Oct 21, 2026.

Overview

Apr 26, 1963Founded¹

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Ticker9955 on Tokyo Stock Exchange¹
Websitewww.yonkyu.co.jp
Legal formkabushiki gaisha¹

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Yonkyu image from its website — Image: yonkyu.co.jp²

Timeline

Oct 1993Went public Listed on Tokyo Stock Exchange¹
Apr 26, 1963Founded Founded¹

Links

Websitewww.yonkyu.co.jp¹
WikidataQ11346179

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataYonkyu on Wikidata
2
Company websiteYonkyu photo