Ryujiro Kiyama
President at KOKEN BORING MACHINE CO.,LTD.
Net worth: 125 466 $ as of 2024-04-29
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 |
---|---|---|---|---|
2023-03-30 | 32,000 ( 0.36% ) | 125 466 $ | 2024-04-29 |
Ryujiro Kiyama active positions
Companies | Position | Start |
---|---|---|
KOKEN BORING MACHINE CO.,LTD. | President | 2019-05-31 |
Kozo Construction Co., Ltd. | Chairman | 2019-05-31 |
Training of Ryujiro Kiyama
Kumamoto University | Undergraduate Degree |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
Private companies | 2 |
---|---|
Koken Boring Machine Co., Ltd. | |
Kozo Construction Co., Ltd. |
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