![Hiroyuki Yamamoto](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Hiroyuki Yamamoto has worked as a Director & Manager-Composite Processing Business at Tohoku Steel Co., Ltd. since 2016.
| Companies | Position | End |
|---|---|---|
| TOHOKU STEEL CO., LTD. | Director/Board Member | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 1 |
|---|---|
Tohoku Steel Co., Ltd.
 Tohoku Steel Co., Ltd. SteelNon-Energy Minerals Manufactures and wholesales special steel products | Non-Energy Minerals |
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