![Toshiyuki Yamada](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: 18 M $ as of 30/07/2026
Toshiyuki Yamada is the Chairman of System Research Co., Ltd., a company he founded in 1981.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 29/09/2025 | 1,585,100 ( 9.48% ) | 18 M $ | 30/07/2026 |
| Companies | Position | End |
|---|---|---|
| SYSTEM RESEARCH CO.,LTD. | Founder | - |
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Private companies
| Private companies | 1 |
|---|---|
System Research Co., Ltd.
 System Research Co., Ltd. Information Technology ServicesTechnology Services Operates as a software development company | Technology Services |
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