Kyocera Corporation (President: Hideo Tanimoto) today announced the integration of its current Kagoshima Kokubu Plant (Kokubuyamashita-cho, Kirishima, Kagoshima) and Kagoshima Hayato Plant (Hayato-chouchi, Kirishima, Kagoshima) into a renamed "Kagoshima Kirishima Plant" to enhance operational efficiency. The plant will begin operations on April 1, 2026, under the new name without any location changes.
Overview
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Plant name |
Kagoshima Kirishima Plant -Kokubu Block (current Kagoshima Kokubu Plant) -Hayato Block (current Kagoshima Hayato Plant) |
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Address |
-Kokubu Block: 1-1 Kokubuyamashita-cho, Kirishima, Kagoshima 899-4396 Japan -Hayato Block: 999-3 Hayato-chouchi, Kirishima, Kagoshima 899-5195 Japan |
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Total site area |
Approximately 528,000m2 (5,683,000ft2) -Kokubu Block: Approx. 502,000m2 (5,403,000ft2) -Hayato Block: Approx. 26,000m2 (280,000ft2) |
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Number of employees |
Approximately 5,700 employees for both blocks, including part-time workers (as of November 30, 2025) |
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Production items |
Fine ceramic components, automotive-related products, semiconductor-related components, electronic components, and printing devices |
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Telephone / Fax |
Tel 0995-46-1100 (Main Line) / Fax 0995-46-1105 |






