Granted Patent
Utility
US 6,496,429 · App. 09/988,173
Semiconductor memory device
Inventors:
Yasumitsu Murai, Tetsushi Tanizaki, Masaru Haraguchi
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Nov 19, 2001
Inventors
Yasumitsu Murai
Tetsushi Tanizaki
Masaru Haraguchi
Assignees (at issue)
MITSUBISHI ELECTRIC CORPORATION
MITSUBISHI ELECTRIC ENGINEERING COMPANY, LIMITED
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.