Granted Patent
Utility
US 5,559,356 · App. 08/543,285
Semiconductor device with large substrate contact region
Inventor:
Akira Yukawa
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Oct 16, 1995
Inventor
Akira Yukawa
Assignee (at issue)
NEC 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.