Granted Patent
Utility
US 6,174,773 · App. 09/384,156
Method of manufacturing vertical trench misfet
Inventor:
Naoto Fujishima
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Aug 27, 1999
Inventor
Naoto Fujishima
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.