Granted Patent
Utility
US 6,614,367 · App. 10/097,124
Data recording method
Inventor:
Hiroshi Yamamoto
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Mar 13, 2002
Inventor
Hiroshi Yamamoto
Assignee (at issue)
SONY COMPUTER 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.