Granted Patent
Utility
US 6,738,561 · App. 09/195,100
Recording medium and signal processing apparatus
Inventors:
Yoshiaki Tanaka, Shoji Ueno, Norihiko Fuchigami
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Nov 18, 1998
Inventors
Yoshiaki Tanaka
Shoji Ueno
Norihiko Fuchigami
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.