![Mayumi Kotani](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>)
Net worth: 4 M $ as of 29/06/2026
Mayumi Kotani is currently a Director at Yushin Automation Ltd. Prior to this, she was a Director, Vice President & General Manager-Sales at Yushin Precision Equipment Co., Ltd. from 1993 to 2002.
She was also the President & Representative Director at Yushin Industry Co., Ltd.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
YUSHIN COMPANY 2.72% | 29/09/2025 | 968,000 ( 2.72% ) | 4 M $ | 29/06/2026 |
| Companies | Position | Start |
|---|---|---|
Yushin Automation Ltd.
 Yushin Automation Ltd. Industrial MachineryProducer Manufacturing Manufactures industrial machinery and precision equipments | Director/Board Member | 31/01/2004 |
| Companies | Position | End |
|---|---|---|
Yushin Industry Co., Ltd. | President | - |
| YUSHIN COMPANY | President | - |
Active
Inactive
Listed companies
Private companies
| Private companies | 3 |
|---|---|
Yushin Precision Equipment Co., Ltd.
 Yushin Precision Equipment Co., Ltd. Industrial MachineryProducer Manufacturing Manufactures industrial machinery and precision equipment | Producer Manufacturing |
Yushin Industry Co., Ltd. | |
Yushin Automation Ltd.
Yushin Automation Ltd. Industrial MachineryProducer Manufacturing Manufactures industrial machinery and precision equipments | Producer Manufacturing |
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