Granted Patent
Utility
US 6,618,335 · App. 08/933,825
Method and apparatus for recording and reproducing information on and from recording disc
Inventors:
Yoshiaki Tanaka, Isao Oowaki
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Sep 19, 1997
Inventors
Yoshiaki Tanaka
Isao Oowaki
Assignees (at issue)
Victor Company of Japan, Ltd.
Victor Entertainment, Inc.
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.