Granted Patent
Utility
US 6,791,909 · App. 10/101,216
Optical disc reproducing apparatus
Inventor:
Kazuma Takenaka
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Mar 20, 2002
Inventor
Kazuma Takenaka
Assignee (at issue)
Denon, 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.