Granted Patent
Utility
US 6,507,510 · App. 09/902,168
Nonvolatile semiconductor memory device having ferroelectric capacitors
Inventor:
Daisaburo Takashima
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jul 11, 2001
Inventor
Daisaburo Takashima
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.