Ryoji Doi
Director/Board Member at SUMITOMO OSAKA CEMENT CO., LTD.
Profile
Ryoji Doi is currently working as a Representative Director at Sumitomo Osaka Cement Co., Ltd.
Ryoji Doi active positions
Companies | Position | Start |
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SUMITOMO OSAKA CEMENT CO., LTD. | Director/Board Member | 2019-05-31 |
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Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
Listed companies | 1 |
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SUMITOMO OSAKA CEMENT CO., LTD. | Non-Energy Minerals |
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