Granted Patent
Utility
US 6,560,130 · App. 09/985,624
Control circuit for multiphase inverter apparatus
Inventors:
Norio OBA, Yuushin Yamamoto
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Nov 5, 2001
Inventors
Norio OBA
Yuushin Yamamoto
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.