Granted Patent
Utility
US 5,484,742 · App. 07/957,861
Process for preparing a semiconductor device with a narrow-channel MOS transistor
Inventor:
Takahiko Urai
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Oct 8, 1992
Inventor
Takahiko Urai
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.