Granted Patent
Utility
US 6,673,679 · App. 09/481,242
Semiconductor device with alternating conductivity type layer and method of manufacturing the same
Inventors:
Yasushi Miyasaka, Tatsuhiko Fujihira
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jan 11, 2000
Inventors
Yasushi Miyasaka
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.