![Masahito Hosonuma](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: 22 M $ as of 2026-05-30
Masahito Hosonuma has a current job as the President & Representative Director at Seiyu Kogyo Co., Ltd.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
SEIYU KOGYO CO., LTD. 23.73% | 2025-09-29 | 669,592 ( 23.73% ) | 22 M $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| SEIYU KOGYO CO.,LTD. | President | 2020-11-30 |
Active
Inactive
Listed companies
Private companies
| Private companies | 1 |
|---|---|
Seiyu Kogyo Co., Ltd.
 Seiyu Kogyo Co., Ltd. Engineering & ConstructionIndustrial Services Engages in construction of roads and bridges, soil & waste treatment services | Industrial Services |
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