B. B. Patel

Signet Solar GmbH develops, manufactures and markets thin film silicon PV modules. Signet Solar develops, manufacturers, and deploys an entire ecosystem supporting the world's largest thin-film silicon PV modules enabling the industries lowest installed system cost without the use of any toxic or rare materials. In the first year of production, Signet Solar has enabled over 50 installations (>10MW), varying in application from solar farms to commercial rooftops to parking structures to BIPV structures. The company was founded in 2006 and is headquartered in Mochau, Germany.

Signet Solar, Inc. designs, develops and manufactures silicon Photovoltaic (PV) modules. Its technology is targeted for applications in solar farms, commercial installations, building integrated photovoltaics (BIPV) and remote habitation. The company was co-founded by Prabhu Goel, Rajeeva Lahri & B. B. Patel in September, 2006 and is headquartered in Palo Alto, CA.