Ryutaro Yoshioka
Career history of Ryutaro Yoshioka
Former positions of Ryutaro Yoshioka
| Companies | Position | Start | End |
|---|---|---|---|
| The Bank of Tokyo Ltd. | Director/Board Member | 1962-03-31 | - |
| Corporate Officer/Principal | 1962-03-31 | - | |
Kyoei Industrial Co., Ltd.
 Kyoei Industrial Co., Ltd. SteelNon-Energy Minerals Kyoei Industrial Co., Ltd. engages in the provision of steel and construction materials. Its business activities include manufacture and sale of recycled gravel ballasts; industrial waste disposal; manufacture and sale of construction materials; design, execution, and supervision of green construction works; and processing and sale of steel materials and raw materials for ironwork. The company was founded on November 2, 1990 and is headquartered in Osaka, Japan. | Director/Board Member | 2003-05-31 | - |
| President | 2003-05-31 | - | |
| KYOEI STEEL LTD. | Director/Board Member | 2010-01-18 | - |
| President | 2010-01-18 | 2011-01-24 |
Statistics
International
| Japan | 4 |
Operational
| Director/Board Member | 3 |
| President | 2 |
| Corporate Officer/Principal | 1 |
Sectoral
| Non-Energy Minerals | 3 |
| Finance | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| KYOEI STEEL LTD. | Non-Energy Minerals |
| Private companies | 2 |
|---|---|
| The Bank of Tokyo Ltd. | Finance |
Kyoei Industrial Co., Ltd.
Kyoei Industrial Co., Ltd. SteelNon-Energy Minerals Kyoei Industrial Co., Ltd. engages in the provision of steel and construction materials. Its business activities include manufacture and sale of recycled gravel ballasts; industrial waste disposal; manufacture and sale of construction materials; design, execution, and supervision of green construction works; and processing and sale of steel materials and raw materials for ironwork. The company was founded on November 2, 1990 and is headquartered in Osaka, Japan. | Non-Energy Minerals |
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