Granted Patent
Utility
US 5,285,095 · App. 07/896,668
Semiconductor integrated circuit with input protective transistor effective against electric surge
Inventor:
Shuji Toyoda
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jun 10, 1992
Inventor
Shuji Toyoda
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.