Granted Patent
Utility
US 6,336,448 · App. 09/637,994
Ignition semiconductor device
Inventors:
Shoichi Furuhata, Minoru Nishio
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Aug 15, 2000
Inventors
Shoichi Furuhata
Minoru Nishio
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.