Granted Patent
Utility
US 5,641,982 · App. 08/550,773
High voltage mosfet with an improved channel stopper structure
Inventor:
Mitsuasa Takahashi
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Oct 31, 1995
Inventor
Mitsuasa Takahashi
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.