| Company | Timeline | Status | |
| YKK (U.K.) Limited Director • Company Director | 31 Jul 1991←1 Year 8 Months→13 Apr 1993 | Active | |
| New Zipper Company Limited(The) Director • Company Director | 31 Jul 1991←1 Year 8 Months→13 Apr 1993 | Dissolved | |
| YKK Europe Limited Director • Company Director | 24 Jun 1991←1 Year→1 Jul 1992 | Active | |
