Granted Patent
Utility
US 6,380,948 · App. 09/389,555
Apparatus for controlling on screen display
Inventors:
Yuzo Murayama, Shigeyuki Sano
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Sep 3, 1999
Inventors
Yuzo Murayama
Shigeyuki Sano
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.