Granted Patent
Utility
US 6,097,063 · App. 08/786,473
Semiconductor device having a plurality of parallel drift regions
Inventor:
Tatsuhiko Fujihira
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Jan 21, 1997
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.