Granted Patent
Utility
US 6,784,720 · App. 10/310,183
Current switching circuit
Inventors:
Miyo Miyashita, Kazuya Yamamoto, Masaaki Shimada
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Dec 5, 2002
Inventors
Miyo Miyashita
Kazuya Yamamoto
Masaaki Shimada
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.