Granted Patent
Utility
US 6,459,601 · App. 10/092,466
Control circuit of power converter
Inventor:
Norio OBA
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Mar 8, 2002
Inventor
Norio OBA
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.