![Yasuko Oka](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: 460 M $ as of 2026-06-29
Yasuko Oka worked as a Director at JSB Co., Ltd. from 2013 to 2014.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
JSB CO. LTD. 37.91% | 2026-06-11 | 8,327,800 ( 37.91% ) | 460 M $ | 2026-06-29 |
| Companies | Position | End |
|---|---|---|
| J.S.B.CO.,LTD. | Chairman | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 1 |
|---|---|
JSB Co., Ltd.
 JSB Co., Ltd. Real Estate DevelopmentFinance Rents condominiums for students | Finance |
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