Granted Patent
Utility
US 6,448,598 · App. 09/338,542
Semiconductor memory
Inventors:
Yoshihisa Nagano, Shinichiro Hayashi, Yasuhiro Uemoto
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jun 23, 1999
Inventors
Yoshihisa Nagano
Shinichiro Hayashi
Yasuhiro Uemoto
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.