![Toshisada Yamanaka](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>)
Toshisada Yamanaka is the founder of Gladstone Corp.
which was founded in 2007.
He holds the title of Representative Director at Gladstone Corp.
Mr. Yamanaka's former job was as an Outside Director at Nippon Gas Co., Ltd.
| Companies | Position | Start |
|---|---|---|
Gladstone Corp. | Founder | 2007-02-20 |
| Companies | Position | End |
|---|---|---|
| NIPPON GAS CO., LTD. | Director/Board Member | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Nippon Gas Co., Ltd. (8174)
 Nippon Gas Co., Ltd. (8174) Gas DistributorsUtilities Distributes liquefied petroleum gas and electricity | Utilities |
Gladstone Corp. |
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