Granted Patent
Utility
US 6,343,379 · App. 09/271,554
Receiver and program updating method
Inventors:
Toshiro Ozawa, Koichi Oyama
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Mar 18, 1999
Inventors
Toshiro Ozawa
Koichi Oyama
Assignee (at issue)
SONY GROUP CORPORATION
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.