Koji Sumiyoshi
Communications
Profile
Currently, Koji Sumiyoshi is General Manager-Information Systems at KDDI Corp.
Former positions of Koji Sumiyoshi
| Companies | Position | End |
|---|---|---|
| KDDI CORPORATION | Chief Tech/Sci/R&D Officer | - |
Experiences
Positions held
Linked companies
| Listed companies | 1 |
|---|---|
| KDDI CORPORATION | Communications |
- Stock Market
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- Koji Sumiyoshi
