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Yamakoh

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Yamakoh is a Japanese company specializing in the processing and sales of plastic corrugated board (pladan), offering custom-made cases, printing, standard products, and sheet sales.

Last updated September 2, 2026

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Overview

Yamakoh (株式会社ヤマコー) is a Japanese company that processes and sells plastic corrugated board (pladan). It offers custom-made pladan cases, printing, standard products, and sheet sales. The company was established in 1976 and is headquartered in Ujitawara, Kyoto. It operates a large in-house factory for pladan production.

History

Yamakoh started as Yamakoh Shokai in 1974 in Fushimi-ku, Kyoto, and was established as Yamakoh Co., Ltd. in 1976. In 2007, it built a new factory dedicated to pladan in the Ujitawara Industrial Park in southern Kyoto. The company celebrated its 50th anniversary in 2024.

Sources4 sources

  1. 1株式会社ヤマコー公式 | プラダン・ダンプラケース製作・シート販売p-yamakoh.co.jp
  2. 2プラダンのヤマコー®とは | 株式会社ヤマコー 公式p-yamakoh.co.jp
  3. 3会社概要 | 株式会社ヤマコー 公式p-yamakoh.co.jp
  4. 4プラダン既製品 | 株式会社ヤマコー 公式p-yamakoh.co.jp

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