Registered entities
CALCHAN LIMITED
Reg. No. 7543974Germany
CALCHAN HOLDINGS LIMITED
Reg. No. 7543971United Kingdom
Innovation
3 patent families (1 granted) — focus: Chemistry & metallurgy, Human necessities; filing pace slowing. Cited 139 times.
| Year | Filings |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2023 | 1 |
Investor mix
4 investors on record.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 3 | 75% |
| Other / undisclosed | 1 | 25% |