| Specialization and related fields |
|---|
| Business career | ||
|---|---|---|
| 1. |
1988/04/01
~ 1991/03/31 |
|
| 2. |
2006/04/01
~ 2022/03/31 |
|
| 3. |
2022/04/01
~ |
|
| Book and thesis | |||
|---|---|---|---|
| 1. | Other | ||