Granted Patent
Utility
US 4,779,225 · App. 07/011,050
Adaptive digital filter
Inventors:
Atsushi Fukasawa, Kenichiro Hosoda, Ryoichi Miyamoto, Hiromi Ando, Shinji Kawaguchi
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Feb 5, 1987
Inventors
Atsushi Fukasawa
Kenichiro Hosoda
Ryoichi Miyamoto
Hiromi Ando
Shinji Kawaguchi
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.