Granted Patent
Utility
US 6,549,475 · App. 10/183,857
Semiconductor memory device and information device
Inventors:
Ken Nakazawa, Ken Sumitani, Haruyasu Fukui, Yasumichi Mori
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jun 25, 2002
Inventors
Ken Nakazawa
Ken Sumitani
Haruyasu Fukui
Yasumichi Mori
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.