Granted Patent
Utility
US 6,043,112 · App. 08/897,248
IGBT with reduced forward voltage drop and reduced switching loss
Inventors:
Richard Francis, Perry Merrill
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jul 18, 1997
Inventors
Richard Francis
Perry Merrill
Assignee (at issue)
International Rectifier Corporation
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.