| Company | Timeline | Status | |
| YKK Europe Limited Director • Company Director | 1 Jul 1992←9 Years→24 Jan 2002 | Active | |
| YKK (U.K.) Limited Director • Company Director | 31 Jul 1991←4 Years→1 Apr 1996 | Active | |
| New Zipper Company Limited(The) Director • Company Director | 31 Jul 1991←4 Years→1 Apr 1996 | Dissolved | |
