Business career
1. 2024/04/01 ~
2. 2021/04/01 ~ 2024/03/31
3. 2006/04/01 ~ 2021/03/31
4. 2003/04/01 ~ 2006/03/31
Present specialized field
Papers
1. 2008/03/20  
2. 2008/02  
3. 2005/05  
4. 2005/03/01  
5. 2002/11/25  
Academic conference presentation
1. 2009/08/26
2. 2008/09/10
3. 2005/07/21
4. 2003/08/07
5. 2003/05/24