| Company | Timeline | Status | |
| YKK Europe Limited Director • Company Director  | 24 Jun 1991←1 Year→1 Jul 1992  | Active  | |
| YKK (U.K.) Limited Director • Company Director  | 24 Jun 1991←3 Years→24 Jun 1994  | Active  | |
| New Zipper Company Limited(The) Director • Company Director  | 24 Jun 1991←4 Years→1 Apr 1996  | Dissolved  | |
