Granted Patent
Utility
US 6,490,402 · App. 09/632,020
Flexible flat color display
Inventor:
Takaaki Ota
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Aug 2, 2000
Inventor
Takaaki Ota
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.