Granted Patent
Utility
US 6,469,328 · App. 09/398,012
Semiconductor memory device
Inventors:
Tsuyoshi Yanai, Yoshio Kajii, Takashi Ohkawa
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Sep 17, 1999
Inventors
Tsuyoshi Yanai
Yoshio Kajii
Takashi Ohkawa
Assignee (at issue)
Fujitsu 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.