Granted Patent
Utility
US 6,463,410 · App. 09/394,688
Audio signal processing apparatus
Inventors:
Norihiko Fuchigami, Shoji Ueno, Yoshiaki Tanaka
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Sep 13, 1999
Inventors
Norihiko Fuchigami
Shoji Ueno
Yoshiaki Tanaka
Assignee (at issue)
Victor Company of Japan, 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.