![Naoki Hamamoto](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>)
Mr. Naoki Hamamoto is Managing Executive Officer at Hitachi Metals, Ltd.
| Companies | Position | End |
|---|---|---|
| PROTERAL | Corporate Officer/Principal | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 1 |
|---|---|
Proterial Ltd.
 Proterial Ltd. SteelNon-Energy Minerals Manufactures and distributes steels, rolls, magnetic materials, power electronics, electric wires and automotive parts | Non-Energy Minerals |
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