![Masahiro Hosoi](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>)
Masahiro Hosoi formerly worked at Riken Corundum Co., Ltd., as Director & Manager-Sales and Mipox Corp., as Executive Officer & General Manager-Sales.
| Companies | Position | End |
|---|---|---|
| MIPOX CORPORATION | Sales & Marketing | - |
| RIKEN CORUNDUM COMPANY LIMITED. | Director/Board Member | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 2 |
|---|---|
Mipox Corp.
 Mipox Corp. Industrial SpecialtiesProcess Industries Manufactures abrasive products | Process Industries |
Riken Corundum Co., Ltd.
 Riken Corundum Co., Ltd. Industrial SpecialtiesProcess Industries Engages in the manufacture and sale of abrasive papers, abrasive cloths and office automation equipment | Process Industries |
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