Granted Patent
Utility
US 6,768,151 · App. 10/346,071
Semiconductor memory device with memory cells having same characteristics and manufacturing method for the same
Inventor:
Naoki Kasai
Patented Case
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Granted: Jul 27, 2004
Filed: Jan 17, 2003
Inventor
Naoki Kasai
Assignee (at issue)
NEC 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.