Granted Patent
Utility
US 6,441,432 · App. 09/442,023
High voltage lateral semiconductor device
Inventor:
Hitoshi Sumida
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Nov 17, 1999
Inventor
Hitoshi Sumida
Assignee (at issue)
FUJI ELECTRIC CO., LTD.
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.