Granted Patent
Utility
US 6,091,655 · App. 08/972,444
Semiconductor memory
Inventors:
Toshio Yamada, Akinori Shibayama
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Nov 18, 1997
Inventors
Toshio Yamada
Akinori Shibayama
Assignee (at issue)
Matsushita Electronics 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.