Granted Patent
Utility
US 6,804,457 · App. 09/719,044
Digital video signal recorder/reproducer and transmitter
Inventors:
Mitsuhiro Miyashita, Masakazu Nishino, Yuji Fujiwara
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 7, 2000
Inventors
Mitsuhiro Miyashita
Masakazu Nishino
Yuji Fujiwara
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.