Granted Patent
Utility
US 6,791,539 · App. 09/980,251
Display, method for driving the same, and portable terminal
Inventors:
Yoshiharu Nakajima, Toshikazu Maekawa
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 17, 2002
Inventors
Yoshiharu Nakajima
Toshikazu Maekawa
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.