Granted Patent
Utility
US 6,420,197 · App. 09/511,371
Semiconductor device and method of fabricating the same
Inventors:
Masahiro Ishida, Masaaki Yuri, Osamu Imafuji, Shinji Nakamura, Kenji Orita
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Feb 23, 2000
Inventors
Masahiro Ishida
Masaaki Yuri
Osamu Imafuji
Shinji Nakamura
Kenji Orita
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.