Granted Patent
Utility
US 5,456,765 · App. 08/072,577
Epitaxial wafer of gallium arsenide phosphide
Inventors:
Tadashige Sato, Hisanori Fujita
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jun 7, 1993
Inventors
Tadashige Sato
Hisanori Fujita
Assignee (at issue)
Mitsubishi Kasei Corporation
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.