Ryujiro Kiyama
President at KOKEN BORING MACHINE CO.,LTD.
Net worth: 125 466 $ as of 30/04/2024
Profile
Ryujiro Kiyama is currently the Chairman at Kozo Construction Co., Ltd.
since 2019 and the President & Representative Director at Koken Boring Machine Co., Ltd.
since 1983.
He completed his undergraduate degree at Kumamoto University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 31/03/2023 | 32,000 ( 0.36% ) | 125 466 $ | 30/04/2024 |
Ryujiro Kiyama active positions
| Companies | Position | Start |
|---|---|---|
| KOKEN BORING MACHINE CO.,LTD. | President | 01/06/2019 |
| Kozo Construction Co., Ltd. | Chairman | 01/06/2019 |
Training of Ryujiro Kiyama
| Kumamoto University | Undergraduate Degree |
Experiences
Positions held
Connections
14
1st degree connections
3
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 2 |
|---|---|
| Koken Boring Machine Co., Ltd. | |
| Kozo Construction Co., Ltd. |
- Stock Market
- Insiders
- Ryujiro Kiyama
