Historedia
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Establishment of Tanaka Seisakusho

When
11 July 1875
Where
Tokyo
Part of
Tanaka Manufacturing founded in Ginza, Tokyo, predecessor of Toshiba

Tanaka Seisakusho was established in Tokyo on 11 July 1875, as the first Japanese telegraph manufacturer.

Tanaka Hisashige founded Tanaka Seisakusho in Tokyo on 11 July 1875. It was the first Japanese company to manufacture telegraph equipment, following his invitation to Tokyo in 1873 to work for the Ministry of Industry. Passages place his 1875 relocation in the Ginza district and a workshop in Roppongi, but do not confirm the company's exact site.

Sources

  1. Toshiba Wikipedia, revision of 2026-08-31
  2. Tanaka Hisashige Wikipedia, revision of 2026-07-11

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.