![Koichi 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>)
Koichi Mukaiyama
Chairman at
KOA CORPORATION
Net worth: 7 M $ as of 2026-05-30
Profile
Koichi Mukaiyama currently works at Koa Corp., as Chairman from 2013, KOA Trading Co. Ltd., as Representative Director from 1987, and Dah Hsing Electric Co. Ltd., as Representative Director.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
KOA CORPORATION 1.05% | 2025-06-19 | 395,000 ( 1.05% ) | 7 M $ | 2026-05-30 |
Koichi Mukaiyama active positions
| Companies | Position | Start |
|---|---|---|
| KOA CORPORATION | Chairman | 2013-03-31 |
Dah Hsing Electric Co. Ltd.
 Dah Hsing Electric Co. Ltd. Electronic ComponentsElectronic Technology Manufactures resistors, coils & inductors | Director/Board Member | - |
KOA Trading Co. Ltd. | Director/Board Member | 1987-04-30 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
14
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 3 |
|---|---|
Koa Corp.
 Koa Corp. Electronic Production EquipmentElectronic Technology Engages in the manufacture and sale of resistors and other electronic components | Electronic Technology |
KOA Trading Co. Ltd. | |
Dah Hsing Electric Co. Ltd.
Dah Hsing Electric Co. Ltd. Electronic ComponentsElectronic Technology Manufactures resistors, coils & inductors | Electronic Technology |
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