Granted Patent
Utility
US 6,496,409 · App. 09/620,719
Variable capacity semiconductor memory device
Inventors:
Shinichi Kobayashi, Yoshihide Kai
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jul 20, 2000
Inventors
Shinichi Kobayashi
Yoshihide Kai
Assignee (at issue)
MITSUBISHI ELECTRIC 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.