Granted Patent
Utility
US 6,815,792 · App. 10/401,215
Epitaxially grown compound semiconductor film and compound semiconductor multi-layer structure
Inventors:
Hisao Nagata, Yasunori Arima, Nobuyuki Komaba
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Mar 27, 2003
Inventors
Hisao Nagata
Yasunori Arima
Nobuyuki Komaba
Assignee (at issue)
NIPPON SHEET GLASS COMPANY, LIMITED
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.