![Hiromasa Mukaiyama](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>)
Hiromasa Mukaiyama
President at
KOA CORPORATION
Net worth: 2 M $ as of 2026-05-30
Profile
Hiromasa Mukaiyama has been working at Koa Corp.
since 2005.
Since 2025, the role has been Executive President & Representative Director at Koa Corp.
This is the current job.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
KOA CORPORATION 0.24% | 2025-06-19 | 89,000 ( 0.24% ) | 2 M $ | 2026-05-30 |
Hiromasa Mukaiyama active positions
| Companies | Position | Start |
|---|---|---|
| KOA CORPORATION | President | 2025-03-31 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
8
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
Koa Corp.
 Koa Corp. Electronic Production EquipmentElectronic Technology Engages in the manufacture and sale of resistors and other electronic components | Electronic Technology |
- Stock Market
- Insiders
- Hiromasa Mukaiyama
