Granted Patent
Utility
US 6,683,347 · App. 09/348,915
Semiconductor device with alternating conductivity type layer and method of manufacturing the same
Inventor:
Tatsuhiko Fujihira
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jul 7, 1999
Inventor
Tatsuhiko Fujihira
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.