| Company | Timeline | Status | |
| Ki Ishi Ltd Director • Director | 7 Jul 2023←1 Year 5 Months→10 Dec 2024 | Dissolved | |
| Yobaigan Ltd Director • Chief Executive | 30 May 2023←1 Year 5 Months→5 Nov 2024 | Dissolved | |
| Pulmonoclean Ltd Director • Research | 18 Feb 2016←9 Years→Current | Active | |
| Pine Research Ltd Director • Researcher | 16 Feb 2016←1 Year 5 Months→25 Jul 2017 | Dissolved | |
| Hedonic Capital Ltd Director • General Manager | 18 Nov 2014←10 Years→30 Sep 2025 | Dissolved | |
| Gccmedex Limited Director • Medical Research | 31 Jul 2012←1 Year 7 Months→25 Mar 2014 | Dissolved | |
| Shogen Limited Director • Researcher | 20 Aug 2009←16 Years→Current | Active | |
| Pine Research Limited Director • Researcher | 26 Jan 2007←7 Years→25 Mar 2014 | Dissolved | |
