![Yuko Ishikawa](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>)
Yuko Ishikawa
Chairman at
ALPHA SYSTEMS INC.
Net worth: 8 M $ as of 2026-07-30
Profile
Yuko Ishikawa started working at Alpha Systems, Inc. in 1972.
Since 2011, the role has been Chairman at Alpha Systems, Inc. The current job is Chairman at Alpha Systems, Inc.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ALPHA SYSTEMS INC. 2.82% | 2025-09-29 | 396,000 ( 2.82% ) | 8 M $ | 2026-07-30 |
Yuko Ishikawa active positions
| Companies | Position | Start |
|---|---|---|
| ALPHA SYSTEMS INC. | Chairman | 2011-05-31 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
31
1st degree connections
1
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 1 |
|---|---|
Alpha Systems, Inc.
 Alpha Systems, Inc. Information Technology ServicesTechnology Services Develops software for telecommunication systems | Technology Services |
- Stock Market
- Insiders
- Yuko Ishikawa
