Granted Patent
Utility
US 6,522,565 · App. 10/006,670
Semiconductor storage device
Inventors:
Yasuhisa Shimazaki, Kenichi Osada, Hiroshi Maruyama, Naotoshi Nishioka
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Dec 10, 2001
Inventors
Yasuhisa Shimazaki
Kenichi Osada
Hiroshi Maruyama
Naotoshi Nishioka
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems Co., Ltd.
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.