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Sumiseki Holdings,Inc. imports, purchases, and sells coal in Japan. It also manufactures and sells artificial diamonds; and collects, processes, and sells crushed stones. The company invests in coal companies. Sumiseki Holdings,Inc. was incorporated in 2008 and is headquartered in Tokyo, Japan.
Name | Age | Since | Title |
---|---|---|---|
Shosuke Mori | 65 | 2023 | President & Chairman |
Yoshinori Miyazawa | 54 | 2024 | Executive Officer, GM of Financial & General Affairs Department and Director |
Yukio Nakamura | 76 | 2024 | Independent Outside Director |
Sounosuke Kamiya | 49 | 2024 | Independent Outside Director |
Hiroshi Noguchi | 65 | 2024 | Director |
Iwao Aso | 51 | 2024 | Director |
Osamu Ohama | 62 | 2024 | Director |
Koichi Senda | 61 | 2024 | Independent Outside Director |
Kazunari Isobuchi | 58 | 2024 | Executive Officer & Director |
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