Granted Patent
Utility
US 5,818,784 · App. 08/638,128
Semiconductor memory device and memory system
Inventors:
Masaya Muranaka, Shinichi Miyatake, Yukihide Suzuki, Kanehide Kenmizaki, Makoto Morino, Tetsuya Kitame
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Apr 26, 1996
Inventors
Masaya Muranaka
Shinichi Miyatake
Yukihide Suzuki
Kanehide Kenmizaki
Makoto Morino
Tetsuya Kitame
Assignees (at issue)
HITACHI, LTD.
Hitachi VLSI Engineering Corp.
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.