Superprotonic

closed

Superprotonic develops solid acid-based fuel cells for automotive and portable electronics power markets.

Launch date

2003

Employees

Market cap

Enterprise valuation

Pasadena California (HQ)

Date	Investors	Amount	Round
Sep 2005	N/A	N/A	Series B
Apr 2007	U.S. Venture Partners OnPoint Technologies Innovation Valley Partners Battelle Ventures Nth Power	$16.2m	Series B
Jan 2009	U.S. Venture Partners OnPoint Technologies Nth Power CMEA Capital	$8.0m	Series C
Total Funding		$24.2m

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