| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| US Department of Energy | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Apr 24, 2003 | Series B | $ 38M | ARCH Venture Partners,Chiao Tung Bank,etc. | Detail |
| Oct 29, 2001 | Seed | $ 1.70M | ARCH Venture Partners | Detail |
| Nov 9, 2005 | Series C | $ 41.50M | ARCH Venture Partners,H.B. Fuller Ventures | Detail |
| Feb 11, 2002 | Series A | $ 15M | ARCH Venture Partners | Detail |