| Company | Timeline | Status | |
| Shogen Limited Director • Engineer | 20 Aug 2009←5 Years→1 Jan 2015 | Active | |
Pine Research Limited Director • Engineer | 26 Jan 2007←6 Years→13 Dec 2013 | Dissolved | |
Pine Research Limited Secretary • Engineer | 26 Jan 2007←6 Years→13 Dec 2013 | Dissolved | |
