Granted Patent
Utility
US 6,331,853 · App. 09/199,243
Display control apparatus display control method and presentation medium
Inventor:
Ken Miyashita
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Nov 24, 1998
Inventor
Ken Miyashita
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.