Granted Patent
Utility
US 4,511,638 · App. 06/499,900
Photoresponsive amorphous semiconductor materials, methods of making the same, and photoanodes made therewith
Inventors:
Krishna Sapru, Benjamin Reichman, Gao Liang
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Jun 1, 1983
Inventors
Krishna Sapru
Benjamin Reichman
Gao Liang
Assignee (at issue)
Energy Conversion Devices, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.