Davis, Joseph & Negley

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 249

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7297868 Preparation of CIGS-based solar cells using a buffered electrodeposition bathJul 25, 03Nov 20, 07[H01L]
5871630 Preparation of copper-indium-gallium-diselenide precursor films by electrodeposition for fabricating high efficiency solar cellsJun 05, 97Feb 16, 99[C23C]
5804054 Preparation of copper indium gallium diselenide films for solar cellsNov 26, 97Sep 08, 98[C25D, H01L]
5730852 Preparation of cuxinygazsen (X=0-2, Y=0-2, Z=0-2, N=0-3) precursor films by electrodeposition for fabricating high efficiency solar cellsDec 12, 95Mar 24, 98[C23C, H01L]
5550104 Electrodeposition process for forming superconducting ceramicsSep 09, 94Aug 27, 96[C25D, H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0084,963 APPARATUS AND METHODS TO PRODUCE ELECTRICAL ENERGY BY ENHANCED DOWN-CONVERSION OF PHOTONSAbandonedOct 01, 08Apr 02, 09[G01J, G01T]
2002/0189,665 Preparation of CIGS-based solar cells using a buffered electrodeposition bathAbandonedApr 10, 01Dec 19, 02[C25D, H01L]
4870711 Metal foundation for bedsExpiredNov 14, 88Oct 03, 89[A47C]

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