Granted Patent
Utility
US 5,898,006 · App. 08/524,850
Method of manufacturing a semiconductor device having various types of MOSFETS
Inventor:
Takaharu Kudoh
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Sep 7, 1995
Inventor
Takaharu Kudoh
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.