Granted Patent
Utility
US 6,744,725 · App. 10/435,057
Information recording medium
Inventor:
Tetsuya Kondo
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: May 12, 2003
Inventor
Tetsuya Kondo
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.