Granted Patent
Utility
US 6,833,694 · App. 10/603,627
Current measurement technique and current measurement apparatus
Inventor:
Hiroshi Ikekame
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jun 26, 2003
Inventor
Hiroshi Ikekame
Assignee (at issue)
HITACHI, LTD.
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.