Granted Patent
Utility
US 6,721,018 · App. 09/422,970
Method and apparatus for decreasing the time required to generate a channel map in a television signal receiver
Inventors:
Peter Shintani, Kenichiro Toyoshima
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Oct 22, 1999
Inventors
Peter Shintani
Kenichiro Toyoshima
Assignees (at issue)
SONY GROUP CORPORATION
SONY ELECTRONICS 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.