Granted Patent
Utility
US 6,605,477 · App. 10/262,003
Integrated circuit device including a layered superlattice material with an interface buffer layer
Inventor:
Kiyoshi Uchiyama
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Sep 30, 2002
Inventor
Kiyoshi Uchiyama
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.