Assignee
CALISOLAR INC
US·3 granted patents·5 pending applications·15 citations·filing 2006–2014
Top patents by PatentIndex Score
8 records- 0179US7955433B2Method and system for forming a silicon ingot using a low-grade silicon feedstockCALISOLAR INC·Filed 2007·Granted Jun 7, 2011·6 cites·15 claims
- 0278US7887633B2Germanium-enriched silicon material for making solar cellsCALISOLAR INC·Filed 2008·Granted Feb 15, 2011·6 cites·9 claims
- 0367US8008107B2Semiconductor wafer pre-process annealing and gettering method and system for solar cell formationCALISOLAR INC·Filed 2006·Granted Aug 30, 2011·3 cites·19 claims
- 0465US2014338587A1Method for purifying siliconCALISOLAR INC·Filed 2014·Application pending·0 cites
- 0547US2009223549A1solar cell and fabrication method using crystalline silicon based on lower grade feedstock materialsCALISOLAR INC·Filed 2008·Application pending·0 cites
- 0643US2008178793A1Method and system for forming a higher purity semiconductor ingot using low purity semiconductor feedstockCALISOLAR INC·Filed 2007·Application pending·0 cites
- 0740US2008197454A1Method and system for removing impurities from low-grade crystalline silicon wafersCALISOLAR INC·Filed 2007·Application pending·0 cites
- 0838US2010310445A1Process Control For UMG-Si Material PurificationCALISOLAR INC·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →