Koji Sumiyoshi
Communications
Career history of Koji Sumiyoshi
Former positions of Koji Sumiyoshi
| Companies | Position | Start | End |
|---|---|---|---|
| KDDI CORPORATION | Chief Tech/Sci/R&D Officer | - | - |
Statistics
International
| Japan | 2 |
Operational
| Chief Tech/Sci/R&D Officer | 1 |
Sectoral
| Communications | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Listed companies | 1 |
|---|---|
| KDDI CORPORATION | Communications |
- Stock Market
- Insiders
- Koji Sumiyoshi
- Experience
