Granted Patent
Utility
US 6,535,406 · App. 10/093,728
Three-level inverter controller reducing commutation loop inductance
Inventors:
Takeaki Asaeda, Hiroshi Masunaga
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Mar 11, 2002
Inventors
Takeaki Asaeda
Hiroshi Masunaga
Assignee (at issue)
MITSUBISHI ELECTRIC 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.