Granted Patent
Utility
US 6,515,879 · App. 10/120,642
Power source filter circuit that is capable of eliminating noise component supplied from power source and driving noise component generated from induction load simultaneously
Inventors:
Satoshi Terashita, Satoshi Sakamoto, Hiroaki Nakaya, Takahiro Iwakiri
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Apr 11, 2002
Inventors
Satoshi Terashita
Satoshi Sakamoto
Hiroaki Nakaya
Takahiro Iwakiri
Assignee (at issue)
ALPS ELECTRIC CO., 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.