| Company | Timeline | Status | |
| Kowa Pharmaceutical Europe Co. Ltd Director • Vice President Productive Elem | 28 May 2004←2 Years 2 Months→14 Aug 2006 | Active | |
| Kowa Research Europe Limited Director • Vice President Productive Elem | 28 May 2004←2 Years 2 Months→14 Aug 2006 | Dissolved | |
