Granted Patent
Utility
US 5,821,173 · App. 08/674,186
Semiconductor element and a method of manufacturing the same
Inventor:
Makoto Takiyama
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Jul 1, 1996
Inventor
Makoto Takiyama
Assignee (at issue)
NIPPON STEEL 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.