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Organizational Chart of Resonac
Resonac Org Chart
www.resonac.com
has
34 executives and 4 subsidiaries
+81 354 703 235
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CEO & Director
Hidehito Takahashi
President @ Showa Denko Ceramics
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Chairman of the Board
Kohei Morikawa
Chairman of the Board @ Showa Denko Ceramics
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Director
Masaru Onishi
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Director
Izumi Sakakibara
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Director
Tetsuo Tsuneishi
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Director
Kenji Yasukawa
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CFO & Director
Hideki Somemiya
CFO @ Showa Denko Ceramics
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M&A + BusDev
M...
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Marketing
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CTO
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Cyber Risk Mgmt
K...
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Executive Vice President
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Executive Officer
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Executive Officer
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HR & Director
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Strategy & Risk + Director
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Resonac today
How the company is coordinated
The company operates through centralized operations.
What management is emphasizing
The leadership team is emphasizing financial discipline.
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Resonac
Updated Feb 25, 2026
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Resonac has 34 executives and 4 subsidiaries
Resonac
Resonac Gas Products
Showa Aluminum
Showa Denko Aluminum
Showa Denko Ceramics
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