Granted Patent
Utility
US 5,331,192 · App. 07/937,440
Semiconductor device
Inventor:
Hitoshi Kudoh
Patented Case
View Patent ↗
Granted: Jul 19, 1994
Filed: Aug 27, 1992
Inventor
Hitoshi Kudoh
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.