| Company | Timeline | Status | |
| Shumei Eiko Property Limited Director • Senior Board Member Shumei | 24 May 1992←33 Years→Current | Active | |
| Shumei Eiko Limited Director • Professor | 27 Nov 1991←34 Years→Current | Active | |
| Shumei Eiko Limited Director • Unreported | 1 Jan 1970←56 Years→5 Jan 2026 | Active | |
| Shumei Eiko Property Limited Director • Unreported | 1 Jan 1970←56 Years→5 Jan 2026 | Active | |
