| Company | Timeline | Status | |
| YKK Europe Limited Director • Company Director | 1 Apr 2022←3 Years→Current | Active | |
| YKK (U.K.) Limited Director • Manager | 1 Feb 2003←15 Years→31 Mar 2018 | Active | |
| New Zipper Company Limited(The) Director • Manager | 1 Feb 2003←15 Years→31 Mar 2018 | Dissolved | |
