![Hideya Yamaguchi](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>)
Net worth: 179 208 $ as of 2026-05-30
Hideya Yamaguchi formerly worked at Restar Corp., as Representative Director & Head-Procurement from 2021 to 2022, Restar Castec KK, as President & Representative Director, and Restar Electronics Corp., as President & Representative Director.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
RESTAR CORPORATION 0.02% | 2024-12-30 | 7,018 ( 0.02% ) | 179 208 $ | 2026-05-30 |
| Companies | Position | End |
|---|---|---|
Restar Castec KK
 Restar Castec KK Computer CommunicationsElectronic Technology Engages in system equipment development and sales business | President | - |
| RESTAR CORPORATION | Chief Operating Officer | - |
Restar Electronics Corp.
 Restar Electronics Corp. Electronics DistributorsDistribution Services Distributes electronic parts | President | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 3 |
|---|---|
Restar Corp.
 Restar Corp. Electronics DistributorsDistribution Services Distributes and manufactures electronic components and semiconductors | Distribution Services |
Restar Electronics Corp.
Restar Electronics Corp. Electronics DistributorsDistribution Services Distributes electronic parts | Distribution Services |
Restar Castec KK
Restar Castec KK Computer CommunicationsElectronic Technology Engages in system equipment development and sales business | Electronic Technology |
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