![Toshimasa Hagiwara](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: 410 491 $ as of 2026-06-29
Toshimasa Hagiwara is Director & Sales Manager at Asahi Diamond Industrial Co., Ltd. since 2022.
Formerly, Mr. Hagiwara was Chairman at Shanghai XuHui Diamond Industrial Co., Ltd.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-03-30 | 55,000 ( 0.11% ) | 410 491 $ | 2026-06-29 |
| Companies | Position | Start |
|---|---|---|
| ASAHI DIAMOND INDUSTRIAL CO., LTD. | Director/Board Member | 2014-05-31 |
| Companies | Position | End |
|---|---|---|
Shanghai XuHui Diamond Industrial Co., Ltd. | Chairman | - |
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| Private companies | 2 |
|---|---|
Asahi Diamond Industrial Co., Ltd.
 Asahi Diamond Industrial Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures and distributes diamond tools | Producer Manufacturing |
Shanghai XuHui Diamond Industrial Co., Ltd. |
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